Roll src/third_party/webrtc/ 0a6a2b73a..74d0ee56f (2 commits)

https://webrtc.googlesource.com/src.git/+log/0a6a2b73a1c5..74d0ee56f5aa

$ git log 0a6a2b73a..74d0ee56f --date=short --no-merges --format='%ad %ae %s'

Created with:
  roll-dep src/third_party/webrtc
BUG=None


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

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=master.tryserver.chromium.linux:linux_chromium_archive_rel_ng;master.tryserver.chromium.mac:mac_chromium_archive_rel_ng;master.tryserver.chromium.win:win-msvc-dbg
TBR=webrtc-chromium-sheriffs-robots@google.com

Change-Id: I38c207db8184fcc91db035c606c2470508c6bd73
Reviewed-on: https://chromium-review.googlesource.com/877411Reviewed-by: WebRTC Roll Bot <webrtc-autoroll@chromium.org>
Commit-Queue: WebRTC Roll Bot <webrtc-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#530741}

DEPS

@@ -649,7 +649,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + 'd458ada06171a85af00367251a4ed55db7fe2018',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '0a6a2b73a1c5f1cf63efeaea095aa2669071e0b4', # commit position 20628
+    Var('webrtc_git') + '/src.git' + '@' + '74d0ee56f5aa5125ddb66fbd8d5d75fcfea578ef', # commit position 20628
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',