Adding two test cases to the existing webrtc content_browser tests:

1) Verify that setLocalDescription fails when trying to negotiate an unsupported video codec
 
- Verify that setLocalDescription fails when trying to negotiate with a client that does not support encryption
 

BUG=303035

Review URL: https://codereview.chromium.org/47923023

git-svn-id: http://src.chromium.org/svn/trunk/src/build@235798 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

android/pylib/gtest/filter/content_browsertests_disabled

@@ -81,6 +81,8 @@ WebrtcBrowserTest.GetAudioAndVideoStreamAndClone
 WebrtcBrowserTest.GetAudioAndVideoStreamAndStop
 WebrtcBrowserTest.GetVideoStreamAndStop
 WebRTCInternalsBrowserTest.WithRealPeerConnectionCall
+WebRTCInternalsBrowserTest.NegotiateUnsupportedVideoCodec
+WebRTCInternalsBrowserTest.NegotiateNonCryptoCall
 
 # http://crbug.com/175683
 WebrtcBrowserTest.CallWithDataAndLaterAddMedia