Re-enabling LocalP2PTestAnswerVideo and LocalP2PTestAnswerAudio test cases in peerconnection_unittest.
Re-enabling LocalP2PTestAnswerVideo and LocalP2PTestAnswerAudio test cases in peerconnection_unittest.

BUG=2288
R=perkj@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/39919004

git-svn-id: a556c8bde68cedbc0208a1ffc78b06e9cd07f676@8350 4adac7df-926f-26a2-2b94-8c16560cd09d

dcpang/fatline-libjingle,dcpang/fatline-libjingle,sippet/talk,sippet/talk,sippet/talk,dcpang/fatline-libjingle,dcpang/fatline-libjingle,dcpang/fatline-libjingle,sippet/talk,sippet/talk