GN: Update tests to have the correct shard timeout value on Android.

webrtc/common_video/BUILD.gn

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("../build/webrtc.gni")
 import("//testing/test.gni")
@@ skipping 106 matching lines @@
     ]
 
     if (is_android) {
       deps += [ "//testing/android/native_test:native_test_support" ]
 
       # This needs to be kept in sync with the .isolate file.
       # TODO(kjellander); Move this to android_assets targets instead.
       data = [
         "//resources/foreman_cif.yuv",
       ]
+
+      shard_timeout = 900
     }
   }
 }