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

android_webview/android_webview_tests.gypi

Index: android_webview/android_webview_tests.gypi
diff --git a/android_webview/android_webview_tests.gypi b/android_webview/android_webview_tests.gypi
index 577cab43e2e831445c7a8a8384d402adbcbc6750..9e4c3d0374b5719ca016aab147aad79a92bb3e09 100644
--- a/android_webview/android_webview_tests.gypi
+++ b/android_webview/android_webview_tests.gypi
@@ -94,6 +94,8 @@
         '../base/base.gyp:base_java_test_support',
         '../content/content_shell_and_tests.gyp:content_java_test_support',
         '../net/net.gyp:net_java_test_support',
+        '../testing/android/on_device_instrumentation.gyp:broker_java',
+        '../testing/android/on_device_instrumentation.gyp:require_driver_apk',
         'android_webview_apk_java',
       ],
       'variables': {