Disable flaky Android capture tests:

webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java

 /*
  *  Copyright 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.
  */
 
 package org.appspot.apprtc.test;
 
 import org.appspot.apprtc.AppRTCClient.SignalingParameters;
 import org.appspot.apprtc.PeerConnectionClient;
 import org.appspot.apprtc.PeerConnectionClient.PeerConnectionEvents;
 import org.appspot.apprtc.PeerConnectionClient.PeerConnectionParameters;
 
 import android.os.Build;
+import android.test.FlakyTest;
 import android.test.InstrumentationTestCase;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.util.Log;
 
 import org.webrtc.Camera2Enumerator;
 import org.webrtc.EglBase;
 import org.webrtc.IceCandidate;
 import org.webrtc.MediaCodecVideoEncoder;
 import org.webrtc.PeerConnection;
 import org.webrtc.PeerConnectionFactory;
@@ skipping 515 matching lines @@
       assertTrue("Remote video frames were not rendered after camera switch.",
           remoteRenderer.waitForFramesRendered(WAIT_TIMEOUT));
     }
     pcClient.close();
     assertTrue(waitForPeerConnectionClosed(WAIT_TIMEOUT));
     Log.d(TAG, "testCameraSwitch done.");
   }
 
   // Checks if video source can be restarted - simulate app goes to
   // background and back to foreground.
-  @SmallTest
+  // Disabled because of https://bugs.chromium.org/p/webrtc/issues/detail?id=6478
+  @FlakyTest
+  //@SmallTest
   public void testVideoSourceRestart() throws InterruptedException {
     Log.d(TAG, "testVideoSourceRestart");
     loopback = true;
 
     MockRenderer localRenderer = new MockRenderer(EXPECTED_VIDEO_FRAMES, LOCAL_RENDERER_NAME);
     MockRenderer remoteRenderer = new MockRenderer(EXPECTED_VIDEO_FRAMES, REMOTE_RENDERER_NAME);
 
     pcClient = createPeerConnectionClient(
         localRenderer, remoteRenderer, createParametersForVideoCall(VIDEO_CODEC_VP8, false), null);
 
@@ skipping 26 matching lines @@
           localRenderer.waitForFramesRendered(WAIT_TIMEOUT));
       assertTrue("Remote video frames were not rendered after video restart.",
           remoteRenderer.waitForFramesRendered(WAIT_TIMEOUT));
     }
     pcClient.close();
     assertTrue(waitForPeerConnectionClosed(WAIT_TIMEOUT));
     Log.d(TAG, "testVideoSourceRestart done.");
   }
 
   // Checks if capture format can be changed on fly and decoder can be reset properly.
-  @SmallTest
+  // Disabled because of https://bugs.chromium.org/p/webrtc/issues/detail?id=6478
+  @FlakyTest
+  //@SmallTest
   public void testCaptureFormatChange() throws InterruptedException {
     Log.d(TAG, "testCaptureFormatChange");
     loopback = true;
 
     MockRenderer localRenderer = new MockRenderer(EXPECTED_VIDEO_FRAMES, LOCAL_RENDERER_NAME);
     MockRenderer remoteRenderer = new MockRenderer(EXPECTED_VIDEO_FRAMES, REMOTE_RENDERER_NAME);
 
     pcClient = createPeerConnectionClient(
         localRenderer, remoteRenderer, createParametersForVideoCall(VIDEO_CODEC_VP8, false), null);
 
@@ skipping 28 matching lines @@
           localRenderer.waitForFramesRendered(WAIT_TIMEOUT));
       assertTrue("Remote video frames were not rendered after capture format change.",
           remoteRenderer.waitForFramesRendered(WAIT_TIMEOUT));
     }
 
     pcClient.close();
     assertTrue(waitForPeerConnectionClosed(WAIT_TIMEOUT));
     Log.d(TAG, "testCaptureFormatChange done.");
   }
 }