Disable flaky WebRtcMediaRecorderTest.PeerConnection on Android

BUG=673126
TBR=grt@chromium.org

Review-Url: https://codereview.chromium.org/2565363002 .
Cr-Commit-Position: refs/heads/master@{#437844}

content/browser/webrtc/webrtc_media_recorder_browsertest.cc

@@ -141,7 +141,13 @@ IN_PROC_BROWSER_TEST_F(WebRtcMediaRecorderTest,
                   kMediaRecorderHtmlFile);
 }
 
-IN_PROC_BROWSER_TEST_P(WebRtcMediaRecorderTest, PeerConnection) {
+// http://crbug.com/673126, flaky on Android.
+#if defined(OS_ANDROID)
+#define MAYBE_PeerConnection DISABLED_PeerConnection
+#else
+#define MAYBE_PeerConnection PeerConnection
+#endif
+IN_PROC_BROWSER_TEST_P(WebRtcMediaRecorderTest, MAYBE_PeerConnection) {
   MaybeForceDisableEncodeAccelerator(GetParam().disable_accelerator);
   MakeTypicalCall(base::StringPrintf("testRecordRemotePeerConnection(\"%s\");",
                                      GetParam().video_codec.c_str()),