Update AppListRepository getSystemPackageNames

Since Instant Apps never system, no need for param showInstantApps.

Also correct the test result, since "home app" and "app in launcher"
will not be returned from this function.

Bug: 280280596
Test: Unit Tests
Change-Id: I2ae17ecaa24780fb2f0c896e84176fc16ccf7de0
diff --git a/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/model/app/AppListRepository.kt b/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/model/app/AppListRepository.kt
index 2c3e58e..2b38b4c 100644
--- a/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/model/app/AppListRepository.kt
+++ b/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/model/app/AppListRepository.kt
@@ -49,7 +49,7 @@
     ): Flow<(app: ApplicationInfo) -> Boolean>
 
     /** Gets the system app package names. */
-    fun getSystemPackageNamesBlocking(userId: Int, showInstantApps: Boolean): Set<String>
+    fun getSystemPackageNamesBlocking(userId: Int): Set<String>
 }
 
 /**
@@ -58,12 +58,8 @@
 object AppListRepositoryUtil {
     /** Gets the system app package names. */
     @JvmStatic
-    fun getSystemPackageNames(
-        context: Context,
-        userId: Int,
-        showInstantApps: Boolean,
-    ): Set<String> =
-        AppListRepositoryImpl(context).getSystemPackageNamesBlocking(userId, showInstantApps)
+    fun getSystemPackageNames(context: Context, userId: Int): Set<String> =
+        AppListRepositoryImpl(context).getSystemPackageNamesBlocking(userId)
 }
 
 internal class AppListRepositoryImpl(private val context: Context) : AppListRepository {
@@ -140,12 +136,12 @@
     ): Flow<(app: ApplicationInfo) -> Boolean> =
         userIdFlow.combine(showSystemFlow, ::showSystemPredicate)
 
-    override fun getSystemPackageNamesBlocking(userId: Int, showInstantApps: Boolean) =
-        runBlocking { getSystemPackageNames(userId, showInstantApps) }
+    override fun getSystemPackageNamesBlocking(userId: Int) =
+        runBlocking { getSystemPackageNames(userId) }
 
-    private suspend fun getSystemPackageNames(userId: Int, showInstantApps: Boolean): Set<String> =
+    private suspend fun getSystemPackageNames(userId: Int): Set<String> =
         coroutineScope {
-            val loadAppsDeferred = async { loadApps(userId, showInstantApps) }
+            val loadAppsDeferred = async { loadApps(userId) }
             val homeOrLauncherPackages = loadHomeOrLauncherPackages(userId)
             val showSystemPredicate =
                 { app: ApplicationInfo -> isSystemApp(app, homeOrLauncherPackages) }
@@ -184,10 +180,8 @@
         }
     }
 
-    private fun isSystemApp(app: ApplicationInfo, homeOrLauncherPackages: Set<String>): Boolean {
-        return !app.isUpdatedSystemApp && app.isSystemApp &&
-            !(app.packageName in homeOrLauncherPackages)
-    }
+    private fun isSystemApp(app: ApplicationInfo, homeOrLauncherPackages: Set<String>): Boolean =
+        app.isSystemApp && !app.isUpdatedSystemApp && app.packageName !in homeOrLauncherPackages
 
     companion object {
         private fun ApplicationInfo.isInAppList(
diff --git a/packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/AppListRepositoryTest.kt b/packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/AppListRepositoryTest.kt
index b732a6a..302f780 100644
--- a/packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/AppListRepositoryTest.kt
+++ b/packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/AppListRepositoryTest.kt
@@ -78,9 +78,15 @@
         whenever(context.packageManager).thenReturn(packageManager)
         whenever(context.userManager).thenReturn(userManager)
         whenever(packageManager.getInstalledModules(anyInt())).thenReturn(emptyList())
+        whenever(packageManager.getHomeActivities(any())).thenAnswer {
+            @Suppress("UNCHECKED_CAST")
+            val resolveInfos = it.arguments[0] as MutableList<ResolveInfo>
+            resolveInfos += resolveInfoOf(packageName = HOME_APP.packageName)
+            null
+        }
         whenever(
             packageManager.queryIntentActivitiesAsUser(any(), any<ResolveInfoFlags>(), anyInt())
-        ).thenReturn(emptyList())
+        ).thenReturn(listOf(resolveInfoOf(packageName = IN_LAUNCHER_APP.packageName)))
         whenever(userManager.getUserInfo(ADMIN_USER_ID)).thenReturn(UserInfo().apply {
             flags = UserInfo.FLAG_ADMIN
         })
@@ -290,35 +296,16 @@
 
     @Test
     fun showSystemPredicate_isHome() = runTest {
-        val app = HOME_APP
-
-        whenever(packageManager.getHomeActivities(any())).thenAnswer {
-            @Suppress("UNCHECKED_CAST")
-            val resolveInfos = it.arguments[0] as MutableList<ResolveInfo>
-            resolveInfos.add(resolveInfoOf(packageName = app.packageName))
-            null
-        }
-
         val showSystemPredicate = getShowSystemPredicate(showSystem = false)
 
-        assertThat(showSystemPredicate(app)).isTrue()
+        assertThat(showSystemPredicate(HOME_APP)).isTrue()
     }
 
     @Test
     fun showSystemPredicate_appInLauncher() = runTest {
-        val app = IN_LAUNCHER_APP
-
-        whenever(
-            packageManager.queryIntentActivitiesAsUser(
-                any(),
-                any<ResolveInfoFlags>(),
-                eq(ADMIN_USER_ID)
-            )
-        ).thenReturn(listOf(resolveInfoOf(packageName = app.packageName)))
-
         val showSystemPredicate = getShowSystemPredicate(showSystem = false)
 
-        assertThat(showSystemPredicate(app)).isTrue()
+        assertThat(showSystemPredicate(IN_LAUNCHER_APP)).isTrue()
     }
 
     @Test
@@ -333,10 +320,9 @@
         val systemPackageNames = AppListRepositoryUtil.getSystemPackageNames(
             context = context,
             userId = ADMIN_USER_ID,
-            showInstantApps = false,
         )
 
-        assertThat(systemPackageNames).containsExactly("system.app", "home.app", "app.in.launcher")
+        assertThat(systemPackageNames).containsExactly(SYSTEM_APP.packageName)
     }
 
     private suspend fun getShowSystemPredicate(showSystem: Boolean) =
diff --git a/packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/AppListViewModelTest.kt b/packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/AppListViewModelTest.kt
index 36d9db5..6889e5d 100644
--- a/packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/AppListViewModelTest.kt
+++ b/packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/AppListViewModelTest.kt
@@ -96,10 +96,7 @@
             showSystemFlow: Flow<Boolean>,
         ): Flow<(app: ApplicationInfo) -> Boolean> = flowOf { true }
 
-        override fun getSystemPackageNamesBlocking(
-            userId: Int,
-            showInstantApps: Boolean,
-        ): Set<String> = emptySet()
+        override fun getSystemPackageNamesBlocking(userId: Int): Set<String> = emptySet()
     }
 
     private object FakeAppRepository : AppRepository {