Add "uses-sdk" to AndroidManifest for ActivityManagerPerfTests

This allows it to be installed on devices flashed with release builds.

Test: on device flashed with release build
Test: m ActivityManagerPerfTestsTestApp ActivityManagerPerfTests
Test: adb install \
"$OUT"/data/app/ActivityManagerPerfTests/ActivityManagerPerfTests.apk
Test: adb install \
"$OUT"/data/app/ActivityManagerPerfTestsTestApp/ActivityManagerPerfTestsTestApp.apk

Change-Id: I817c79128d8bee0a424308c32c0092965ada6c1e
diff --git a/tests/ActivityManagerPerfTests/test-app/AndroidManifest.xml b/tests/ActivityManagerPerfTests/test-app/AndroidManifest.xml
index 021e386..ec5a9c6 100644
--- a/tests/ActivityManagerPerfTests/test-app/AndroidManifest.xml
+++ b/tests/ActivityManagerPerfTests/test-app/AndroidManifest.xml
@@ -15,6 +15,9 @@
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
         package="com.android.frameworks.perftests.amteststestapp">
+    <uses-sdk
+            android:minSdkVersion="21"
+            android:targetSdkVersion="27" />
     <application android:name=".TestApplication">
         <activity android:name=".TestActivity" android:exported="true"/>
         <provider
diff --git a/tests/ActivityManagerPerfTests/tests/AndroidManifest.xml b/tests/ActivityManagerPerfTests/tests/AndroidManifest.xml
index 4e194c6..a1ab33a 100644
--- a/tests/ActivityManagerPerfTests/tests/AndroidManifest.xml
+++ b/tests/ActivityManagerPerfTests/tests/AndroidManifest.xml
@@ -15,6 +15,9 @@
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
         package="com.android.frameworks.perftests.amtests">
+    <uses-sdk
+            android:minSdkVersion="21"
+            android:targetSdkVersion="27" />
     <uses-permission android:name="android.permission.DUMP" />
     <uses-permission android:name="android.permission.FORCE_STOP_PACKAGES" />