Builder Android FYI Release (Nexus 9) fails intermittently in WebglConformance_conformance_textures_video_tex_2d_rgba_rgba_unsigned_short_5_5_5_1

[136/154] gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance_textures_video_tex_2d_rgba_rgba_unsigned_short_5_5_5_1 failed unexpectedly 7.5976s:
  
  Traceback (most recent call last):
    _RunGpuTest at content/test/gpu/gpu_tests/gpu_integration_test.py:155
      self.RunActualGpuTest(url, *args)
    RunActualGpuTest at content/test/gpu/gpu_tests/webgl_conformance_integration_test.py:190
      getattr(self, test_name)(test_path, *args[1:])
    _RunConformanceTest at content/test/gpu/gpu_tests/webgl_conformance_integration_test.py:210
      self._CheckTestCompletion()
    _CheckTestCompletion at content/test/gpu/gpu_tests/webgl_conformance_integration_test.py:206
      self.fail(self._WebGLTestMessages(self.tab))
    fail at .swarming_module/lib/python2.7/unittest/case.py:410
      raise self.failureException(msg)
  AssertionError: shouldBe 0,255,0
  at (4, 4) expected: 0,255,0 was 0,0,0
  
  testing: video/mp4; codecs="avc1.42E01E, mp4a.40.2"
  requestAnimationFrame
  Testing texImage2D with flipY=true bindingTarget=TEXTURE_2D
  Checking lower left corner
  FAIL shouldBe 0,255,0
  at (4, 4) expected: 0,255,0 was 0,0,0
  Checking upper left corner
  shouldBe 255,0,0
  at (4, 24) expected: 255,0,0 was 0,0,0
  FAIL shouldBe 255,0,0
  at (4, 24) expected: 255,0,0 was 0,0,0
  Testing texImage2D with flipY=false bindingTarget=TEXTURE_2D
  Checking lower left corner
  Checking upper left corner
  Testing texSubImage2D with flipY=true bindingTarget=TEXTURE_2D
  Checking lower left corner
  Checking upper left corner
  Testing texSubImage2D with flipY=false bindingTarget=TEXTURE_2D
  Checking lower left corner
  Checking upper left corner
  
  testing: video/webm; codecs="vp8, vorbis"
  Testing texImage2D with flipY=true bindingTarget=TEXTURE_2D
  Checking lower left corner
  Checking upper left corner
  Testing texImage2D with flipY=false bindingTarget=TEXTURE_2D
  Checking lower left corner
  Checking upper left corner
  Testing texSubImage2D with flipY=true bindingTarget=TEXTURE_2D
  Checking lower left corner
  Checking upper left corner
  Testing texSubImage2D with flipY=false bindingTarget=TEXTURE_2D
  Checking lower left corner
  Checking upper left corner
  
  testing: video/webm; codecs="vp9"
  Testing texImage2D with flipY=true bindingTarget=TEXTURE_2D
  Checking lower left corner
  Checking upper left corner
  Testing texImage2D with flipY=false bindingTarget=TEXTURE_2D
  Checking lower left corner
  Checking upper left corner
  Testing texSubImage2D with flipY=true bindingTarget=TEXTURE_2D
  Checking lower left corner
  Checking upper left corner
  Testing texSubImage2D with flipY=false bindingTarget=TEXTURE_2D
  Checking lower left corner
  Checking upper left corner
  
  testing: video/ogg; codecs="theora, vorbis"
  video/ogg; codecs="theora, vorbis" unsupported
  
  testing: video/mp4; codecs="avc1.42E01E, mp4a.40.2"
  
  testing: video/webm; codecs="vp8, vorbis"
  
  testing: video/webm; codecs="vp9"
  
  testing: video/ogg; codecs="theora, vorbis"
  video/ogg; codecs="theora, vorbis" unsupported
  
  Locals:
    msg : u'shouldBe 0,255,0\nat (4, 4) expected: 0,255,0 was 0,0,0\n\ntesting: video/mp4; codecs="avc1.42E01E, mp4a.40.2"\nrequestAnimationFrame\nTesting texImage2D with flipY=true bindingTarget=TEXTURE_2D\nChecking lower left corner\nFAIL shouldBe 0,255,0\nat (4, 4) expected: 0,255,0 was 0,0,0\nChecking upper left corner\nshouldBe 255,0,0\nat (4, 24) expected: 255,0,0 was 0,0,0\nFAIL shouldBe 255,0,0\nat (4, 24) expected: 255,0,0 was 0,0,0\nTesting texImage2D with flipY=false bindingTarget=TEXTURE_2D\nChecking l ... _2D\nChecking lower left corner\nChecking upper left corner\nTesting texSubImage2D with flipY=false bindingTarget=TEXTURE_2D\nChecking lower left corner\nChecking upper left corner\n\ntesting: video/ogg; codecs="theora, vorbis"\nvideo/ogg; codecs="theora, vorbis" unsupported\n\ntesting: video/mp4; codecs="avc1.42E01E, mp4a.40.2"\n\ntesting: video/webm; codecs="vp8, vorbis"\n\ntesting: video/webm; codecs="vp9"\n\ntesting: video/ogg; codecs="theora, vorbis"\nvideo/ogg; codecs="theora, vorbis" unsupported\n' (truncated)
  
  Restarting browser due to unexpected test failure