[Android WebViewShell] Make WebViewLayoutTest runnable with test_runner.py

android_webview/android_webview_shell.gyp

Index: android_webview/android_webview_shell.gyp
diff --git a/android_webview/android_webview_shell.gyp b/android_webview/android_webview_shell.gyp
index 6c002145b6e68d73c1cf19b8f60fcc655eb59011..76651650af8c67bb155bd751deeafd4229c135c2 100644
--- a/android_webview/android_webview_shell.gyp
+++ b/android_webview/android_webview_shell.gyp
@@ -6,12 +6,21 @@
     {
       'target_name': 'android_webview_shell_apk',
       'type': 'none',
+      'dependencies': [
+        '../base/base.gyp:base_java_test_support',
+      ],
       'variables': {
         'apk_name': 'AndroidWebViewShell',
         'java_in_dir': 'tools/WebViewShell',
         'resource_dir': 'tools/WebViewShell/res',
+        'is_test_apk': 1,
+        'test_type': 'instrumentation',
+        'isolate_file': 'android_webview_shell_test_apk.isolate',
       },
-      'includes': [ '../build/java_apk.gypi' ],
+      'includes': [
+        '../build/java_apk.gypi',
+        '../build/android/test_runner.gypi',
+      ],
     },
   ],
 }