Roll src/third_party/webrtc 4a72ba99a704..bc2959072dc5 (9 commits)

https://webrtc.googlesource.com/src.git/+log/4a72ba99a704..bc2959072dc5


git log 4a72ba99a704..bc2959072dc5 --date=short --no-merges --format='%ad %ae %s'
2018-10-04 barrerap@webrtc.org NetEq: Fix an UBSan error
2018-10-04 mbonadei@webrtc.org Remove noop system_wrappers_default build target.
2018-10-04 minyue@webrtc.org Adding field trial to force target level percentile in NetEQ.
2018-10-04 mbonadei@webrtc.org Revert "Export symbols needed by the Chromium component build (part 1)."
2018-10-04 oprypin@webrtc.org Allow the autoroller service account to commit
2018-10-04 philipel@webrtc.org Don't ovewrite complex member VCMPacket::generic_descriptor when fuzzing.
2018-10-04 saza@webrtc.org Delete deprecated AEC interfaces
2018-10-04 kwiberg@webrtc.org Remove `using` declaration for rtc::Buffer
2018-10-04 mbonadei@webrtc.org Export symbols needed by the Chromium component build (part 1).


Created with:
  gclient setdep -r src/third_party/webrtc@bc2959072dc5

The AutoRoll server is located here: https://autoroll.skia.org/r/webrtc-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux_chromium_archive_rel_ng;luci.chromium.try:mac_chromium_archive_rel_ng

BUG=chromium:886904,chromium:836566,chromium:891597
TBR=webrtc-chromium-sheriffs-robots@google.com

Change-Id: Ie1e5ee706877b2abfac26b0f61da440764ba750e
Reviewed-on: https://chromium-review.googlesource.com/c/1261420Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#596659}

DEPS

@@ -1106,7 +1106,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '6d2f3f4cb8bac1f7c4a945c73d07a33df74f22f9',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '4a72ba99a704fa912b3ebbded525f5331def0552',
+    Var('webrtc_git') + '/src.git' + '@' + 'bc2959072dc590527d989e83ae9c899c82f45fd4',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',