Roll WebRTC 15767:15817 (10 commits)

Changes: https://chromium.googlesource.com/external/webrtc/trunk/webrtc.git/+log/3d4706c..24348df

$ git log 3d4706c..24348df --date=short --no-merges --format=%ad %ae %s
2016-12-28 minyue@webrtc.org Fixing init time error in smoothing filter.
2016-12-27 minyue@webrtc.org Fixing name of a unittest for AudioEncoderOpus.
2016-12-27 terelius@webrtc.org Remove OverUseDetectorOptions from OveruseDetector since it isn't used.
2016-12-27 michaelt@webrtc.org Make a the decisions of ANA optional for the opus encoder.
2016-12-27 minyue@webrtc.org Reducing calling to SmoothingFilter in Fec Controller.
2016-12-27 mbonadei@webrtc.org Reland "Refactor webrtc/modules/video_processing for GN check"
2016-12-27 mbonadei@webrtc.org Refactor webrtc/modules/utility for gn check
2016-12-27 kjellander@webrtc.org Remove WebRTC-specific test runner script for Android
2016-12-24 deadbeef@webrtc.org Revert of Adding error output param to SetConfiguration, using new RTCError type. (patchset #4 id:60001 of https://codereview.webrtc.org/2587133004/ )
2016-12-24 deadbeef@webrtc.org Adding error output param to SetConfiguration, using new RTCError type.

TBR=kjellander
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/2605013002
Cr-Commit-Position: refs/heads/master@{#440847}

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' + '@' + '3d4706cc9c51663732659ef73e04eaa6a538deca', # commit position 15767
+    Var('chromium_git') + '/external/webrtc/trunk/webrtc.git' + '@' + '24348dfa49f6130b990a40b6cff4861c4a23c95e', # commit position 15817
 
   'src/third_party/openmax_dl':
     Var('chromium_git') + '/external/webrtc/deps/third_party/openmax.git' + '@' +  Var('openmax_dl_revision'),