Implement Hearing Devices Quick Settings Tile (5/n)

This patch provides
* Change accessibility service to broadcast intent to open hearing devices dialog
* Use BroadcastReceiver to receive and launch hearing devices dialog

Bug: 291423171
Bug: 319197158
Test: atest AccessibilityManagerServiceTest
Flag: ACONFIG com.android.systemui.hearing_aids_qs_tile_dialog DEVELOPMENT
Change-Id: Ie08169982efa4b9ceb1eb15efb0d4666f32e92e6
diff --git a/services/accessibility/Android.bp b/services/accessibility/Android.bp
index 69cc68a..467adc7 100644
--- a/services/accessibility/Android.bp
+++ b/services/accessibility/Android.bp
@@ -34,6 +34,8 @@
     ],
     static_libs: [
         "com_android_server_accessibility_flags_lib",
+        "//frameworks/base/packages/SystemUI/aconfig:com_android_systemui_flags_lib",
+
     ],
 }
 
diff --git a/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java b/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
index 880a687..b48894d 100644
--- a/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
+++ b/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
@@ -242,6 +242,13 @@
     private static final String SET_PIP_ACTION_REPLACEMENT =
             "setPictureInPictureActionReplacingConnection";
 
+    /**
+     * An intent action to launch Hearing devices dialog.
+     */
+    @VisibleForTesting
+    static final String ACTION_LAUNCH_HEARING_DEVICES_DIALOG =
+            "com.android.systemui.action.LAUNCH_HEARING_DEVICES_DIALOG";
+
     private static final char COMPONENT_NAME_SEPARATOR = ':';
 
     private static final int OWN_PROCESS_ID = android.os.Process.myPid();
@@ -2293,6 +2300,14 @@
         }
     }
 
+    private void launchHearingDevicesDialog() {
+        final Intent intent = new Intent(ACTION_LAUNCH_HEARING_DEVICES_DIALOG);
+        intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND);
+        intent.setPackage(
+                mContext.getString(com.android.internal.R.string.config_systemUi));
+        mContext.sendBroadcastAsUser(intent, UserHandle.SYSTEM);
+    }
+
     private void notifyAccessibilityButtonVisibilityChangedLocked(boolean available) {
         final AccessibilityUserState state = getCurrentUserStateLocked();
         mIsAccessibilityButtonShown = available;
@@ -4102,7 +4117,13 @@
 
     private void launchAccessibilityFrameworkFeature(int displayId, ComponentName assignedTarget) {
         if (assignedTarget.equals(ACCESSIBILITY_HEARING_AIDS_COMPONENT_NAME)) {
-            launchAccessibilitySubSettings(displayId, ACCESSIBILITY_HEARING_AIDS_COMPONENT_NAME);
+            //import com.android.systemui.Flags;
+            if (com.android.systemui.Flags.hearingAidsQsTileDialog()) {
+                launchHearingDevicesDialog();
+            } else {
+                launchAccessibilitySubSettings(displayId,
+                        ACCESSIBILITY_HEARING_AIDS_COMPONENT_NAME);
+            }
         }
     }