Roll WebRTC 15323:15358 (29 commits)

Changes: https://chromium.googlesource.com/external/webrtc/trunk/webrtc.git/+log/61e42da..42ad2d4

$ git log 61e42da..42ad2d4 --date=short --no-merges --format=%ad %ae %s
2016-12-01 sprang@webrtc.org Wire up RTCP XR target bitrate in rtp/rtcp module
2016-12-01 kthelgason@webrtc.org Remove limit on how often quality scaling downscales
2016-12-01 kthelgason@webrtc.org Increase test timeout to combat flakiness.
2016-12-01 mflodman@webrtc.org Remove OnLocalSsrcChanged
2016-12-01 magjed@webrtc.org Move webrtc/api/androidtests to webrtc/sdk/android/instrumentationtests
2016-12-01 kthelgason@webrtc.org Add method on AVFoundation capturer to adapt output format.
2016-12-01 magjed@webrtc.org Move VideoDecoder::Create() logic to separate internal video decoder factory
2016-12-01 brandtr@webrtc.org Rename full_stack.cc to full_stack_tests.cc.
2016-12-01 kthelgason@webrtc.org Enable VideoToolbox encoder on mac
2016-11-30 skvlad@webrtc.org Make SurfaceTextureHelper and I420Frame public in Java.
2016-11-30 terelius@webrtc.org Change assert to RTC_DCHECK in bwe_test_logging.cc
2016-11-30 sakal@webrtc.org Allow custom drawers to be added to framelisteners.
2016-11-30 henrik.lundin@webrtc.org Prep to remove API-related #defines from voice_engine_configurations.h
2016-11-30 michaelt@webrtc.org Reland "Update rtt on audio only calls".
2016-11-30 brandtr@webrtc.org Start gathering perf data for VP8 + FlexFEC.
2016-11-30 nisse@webrtc.org Delete all of the video_processing module but the denoiser code.
2016-11-30 stefan@webrtc.org Wire up x-google-{min,start,max}-bitrate to WebRtcVoiceMediaChannel.
2016-11-30 kthelgason@webrtc.org Delete nalu parser in mediaencoder
2016-11-30 terelius@webrtc.org Templatize percentile_filter.h and move it to base/analytics.
2016-11-30 minyue@webrtc.org Reland "Renaming AudioEncoder::SetTargetBitrate and SetProjectedPacketLossRate."
2016-11-30 ehmaldonado@webrtc.org Replace test_support_main by test_main and get rid of test_support_main_threaded_mac
2016-11-30 kthelgason@webrtc.org Remove warning suppression from VideoToolboxEncoder
2016-11-30 asapersson@webrtc.org Change unit of logged bitrate stats in bytes/s to bits/s.
2016-11-30 phoglund@webrtc.org Greatly reduce number of level controller tests.
2016-11-30 perkj@webrtc.org Make sure GetLastError on a PlatformThread return an error that is relevant to the thread.
2016-11-30 magjed@webrtc.org RtpDataEngine, FindCodecByName: Don't reassign codecs
2016-11-30 magjed@webrtc.org Create webrtc/sdk/android folder
2016-11-30 minyue@webrtc.org Relanding "Pass time constant to bwe smoothing filter."
2016-11-30 ossu@webrtc.org Disabled flaky P2PTestConductor tests on ASAN and MSAN.

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/2545763002
Cr-Commit-Position: refs/heads/master@{#435623}

DEPS

@@ -224,7 +224,7 @@ 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' + '@' + '61e42daeed24f321ca66a0a566c53e39485dcd39', # commit position 15323
+    Var('chromium_git') + '/external/webrtc/trunk/webrtc.git' + '@' + '42ad2d474da82fbcb90a432d463a765dee22fad1', # commit position 15358
 
   'src/third_party/openmax_dl':
     Var('chromium_git') + '/external/webrtc/deps/third_party/openmax.git' + '@' +  Var('openmax_dl_revision'),