Roll WebRTC 15596:15611 (11 commits)

Changes: https://chromium.googlesource.com/external/webrtc/trunk/webrtc.git/+log/2410df4..fa849a2

$ git log 2410df4..fa849a2 --date=short --no-merges --format=%ad %ae %s
2016-12-14 hbos@webrtc.org Skip RTCMediaStreamTrackStats.echoReturnLoss[Enhancement] default value.
2016-12-14 henrika@webrtc.org Adds basic Bluetooth support to AppRTCMobile
2016-12-14 johan@webrtc.org Run 'git cl format --full' on Base64.
2016-12-14 danilchap@webrtc.org Remove deprecated RTPSender::SendPadData
2016-12-14 johan@webrtc.org Remove static cast from H264SpropParameterSets.
2016-12-14 ivoc@webrtc.org Improvements to the reliability of the echo detector perf test.
2016-12-14 johan@webrtc.org Add vector<uint8_t> to Base64 decoded data types.
2016-12-14 aleloi@webrtc.org Delete webrtc/transport.h.
2016-12-14 peah@webrtc.org Corrected access of null pointer in audioproc_f: The previous CL that added the ability to add and artificial nearend signal had an issue with null pointer access.
2016-12-14 henrika@webrtc.org Removes verification of audio parameters on Android
2016-12-14 nisse@webrtc.org Revert of Delete VideoFrame default constructor, and IsZeroSize method. (patchset #5 id:80001 of https://codereview.webrtc.org/2541863002/ )

TBR=
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_chromium_archive_rel_ng;master.tryserver.chromium.mac:mac_chromium_archive_rel_ng
BUG=

Review-Url: https://codereview.chromium.org/2569393004
Cr-Commit-Position: refs/heads/master@{#438551}

DEPS

@@ -228,7 +228,7 @@ deps = {
     Var('chromium_git') + '/native_client/src/third_party/scons-2.0.1.git' + '@' + '1c1550e17fc26355d08627fbdec13d8291227067',
 
   'src/third_party/webrtc':
-    Var('chromium_git') + '/external/webrtc/trunk/webrtc.git' + '@' + '2410df43d212f3e71fc37601e2b79d431eb5b9da', # commit position 15596
+    Var('chromium_git') + '/external/webrtc/trunk/webrtc.git' + '@' + 'fa849a2eb338b0932a973f35e14c56a5544a3072', # commit position 15611
 
   'src/third_party/openmax_dl':
     Var('chromium_git') + '/external/webrtc/deps/third_party/openmax.git' + '@' +  Var('openmax_dl_revision'),