Align media2 extension tests with other tests

PiperOrigin-RevId: 289494365

extensions/flac/src/androidTest/AndroidManifest.xml

@@ -23,9 +23,7 @@
 
   <application
       android:allowBackup="false"
-      tools:ignore="MissingApplicationIcon,HardcodedDebugMode">
-    <uses-library android:name="android.test.runner"/>
-  </application>
+      tools:ignore="MissingApplicationIcon,HardcodedDebugMode"/>
 
   <instrumentation
       android:targetPackage="com.google.android.exoplayer2.ext.flac.test"

extensions/opus/src/androidTest/AndroidManifest.xml

@@ -23,9 +23,7 @@
 
   <application
       android:allowBackup="false"
-      tools:ignore="MissingApplicationIcon,HardcodedDebugMode">
-    <uses-library android:name="android.test.runner"/>
-  </application>
+      tools:ignore="MissingApplicationIcon,HardcodedDebugMode"/>
 
   <instrumentation
       android:targetPackage="com.google.android.exoplayer2.ext.opus.test"

extensions/vp9/src/androidTest/AndroidManifest.xml

@@ -23,9 +23,7 @@
 
   <application
       android:allowBackup="false"
-      tools:ignore="MissingApplicationIcon,HardcodedDebugMode">
-    <uses-library android:name="android.test.runner"/>
-  </application>
+      tools:ignore="MissingApplicationIcon,HardcodedDebugMode"/>
 
   <instrumentation
       android:targetPackage="com.google.android.exoplayer2.ext.vp9.test"

library/core/src/androidTest/AndroidManifest.xml

@@ -24,7 +24,6 @@
   <application
       android:allowBackup="false"
       tools:ignore="MissingApplicationIcon,HardcodedDebugMode">
-    <uses-library android:name="android.test.runner"/>
     <provider
       android:authorities="com.google.android.exoplayer2.core.test"
       android:name="com.google.android.exoplayer2.upstream.ContentDataSourceTest$TestContentProvider"/>

playbacktests/src/androidTest/AndroidManifest.xml

@@ -26,12 +26,9 @@
   <application
       android:allowBackup="false"
       tools:ignore="MissingApplicationIcon,HardcodedDebugMode">
-    <uses-library android:name="android.test.runner"/>
-
     <activity android:name="com.google.android.exoplayer2.testutil.HostActivity"
         android:configChanges="keyboardHidden|orientation|screenSize"
         android:label="ExoPlayerTest"/>
-
   </application>
 
   <instrumentation