[Android] Add an out-of-app instrumentation driver APK.

android_webview/javatests/AndroidManifest.xml

Index: android_webview/javatests/AndroidManifest.xml
diff --git a/android_webview/javatests/AndroidManifest.xml b/android_webview/javatests/AndroidManifest.xml
index de576a3e5732cabcf59a375d12d86ee4a9e929a9..ed27601d7521c1925e4fa6720122951cd3cce87a 100644
--- a/android_webview/javatests/AndroidManifest.xml
+++ b/android_webview/javatests/AndroidManifest.xml
@@ -5,7 +5,7 @@
   <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="org.chromium.android_webview.test">
     <uses-sdk android:minSdkVersion="19" android:targetSdkVersion="21" />
-    <instrumentation android:name="android.test.InstrumentationTestRunner"
+    <instrumentation android:name="org.chromium.base.test.BaseInstrumentationTestRunner"
         android:targetPackage="org.chromium.android_webview.shell"
         android:label="Tests for org.chromium.android_webview"/>
     <uses-permission android:name="android.permission.RUN_INSTRUMENTATION" />
@@ -17,5 +17,7 @@
          needed when building test cases. -->
     <application android:hardwareAccelerated="false">
         <uses-library android:name="android.test.runner" />
+        <activity android:name="org.chromium.test.passenger.OnDeviceInstrumentationPassenger"
+            android:exported="true"/>
     </application>
 </manifest>