Fix cronet extension package name

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=181331715

extensions/cronet/src/androidTest/AndroidManifest.xml

@@ -16,7 +16,7 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    package="com.google.android.exoplayer.ext.cronet">
+    package="com.google.android.exoplayer2.ext.cronet">
 
   <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="27"/>
 
@@ -28,6 +28,6 @@
 
   <instrumentation
       android:name="android.test.InstrumentationTestRunner"
-      android:targetPackage="com.google.android.exoplayer.ext.cronet"/>
+      android:targetPackage="com.google.android.exoplayer2.ext.cronet"/>
 
 </manifest>

extensions/cronet/src/main/AndroidManifest.xml

@@ -14,7 +14,7 @@
 -->
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.google.android.exoplayer.ext.cronet">
+    package="com.google.android.exoplayer2.ext.cronet">
 
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>