Add VisualBenchTestActivity for instrumentation-testing VisualBench

platform_tools/android/gyp/skia_android.gypi

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This GYP file stores the dependencies necessary to build Skia on the Android
 # platform. The OS doesn't provide many stable libraries as part of the
 # distribution so we have to build a few of them ourselves.
 #
 {
@@ skipping 157 matching lines @@
           ],
           'action': [
             '<(android_base)/apps/gradlew',
             ':visualbench:assemble<(android_variant)<(android_buildtype)',
             '-p<(android_base)/apps/visualbench',
             '-PsuppressNativeBuild',
           ],
         },
       ],
     },
+    {
+      'target_name': 'VisualBenchTest_APK',
+      'type': 'none',
+      'dependencies': [
+        'VisualBench_APK',
+      ],
+      'actions': [
+        {
+          'action_name': 'SkiaVisualBench_apk',
+          'inputs': [
+            '<(android_base)/apps/visualbench/src/main/AndroidManifest.xml',
+            '<(android_base)/apps/visualbench/src/main/java/com/skia/VisualBenchActivity.java',
+            '<(android_base)/apps/visualbench/src/main/java/com/skia/VisualBenchTestActivity.java',
+            '<(android_base)/apps/visualbench/src/main/libs/<(android_arch)/libvisualbench.so',
+          ],
+          'conditions': [
+            [ 'skia_shared_lib', {
+              'inputs': [
+                '<(android_base)/apps/visualbench/src/main/libs/<(android_arch)/libskia_android.so',
+              ],
+            }],
+          ],
+          'outputs': [
+            '<(android_base)/apps/visualbench/build/outputs/apk/visualbench-<(android_variant)-debug-androidTest-unaligned.apk',
+          ],
+          'action': [
+            '<(android_base)/apps/gradlew',
+            ':visualbench:assemble<(android_variant)DebugAndroidTest',
+            '-p<(android_base)/apps/visualbench',
+            '-PsuppressNativeBuild',
+          ],
+        },
+      ],
+    },
   ],
 }