Add application ID back.

Author: jonsimantov

ump/integration_test/AndroidManifest.xml

@@ -23,6 +23,10 @@
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
   <uses-permission android:name="android.permission.WAKE_LOCK" />
   <application android:label="@string/app_name">
+    <!-- You may replace the sample App ID below with your own App ID. -->
+    <meta-data
+        android:name="com.google.android.gms.ads.APPLICATION_ID"
+        android:value="ca-app-pub-3940256099942544~3347511713"/>
     <activity android:name="android.app.NativeActivity"
               android:exported="true"
               android:screenOrientation="portrait"

ump/integration_test/Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>GADApplicationIdentifier</key>
+	<string>ca-app-pub-3940256099942544~1458002511</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleExecutable</key>