Roll src/third_party/webrtc fa2b2d62d77d..74ed734d717a (2 commits)

https://webrtc.googlesource.com/src.git/+log/fa2b2d62d77d..74ed734d717a


git log fa2b2d62d77d..74ed734d717a --date=short --no-merges --format='%ad %ae %s'
2018-08-16 saza@webrtc.org Add AEC proxies for simple deprecation of AEC configurability.
2018-08-16 kthelgason@webrtc.org Remove kVideoCodecUnknown from WebRTC.


Created with:
  gclient setdep -r src/third_party/webrtc@74ed734d717a

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=luci.chromium.try:linux_chromium_archive_rel_ng;master.tryserver.chromium.mac:mac_chromium_archive_rel_ng
TBR=webrtc-chromium-sheriffs-robots@google.com

Change-Id: I6f2365936b91518b338fb39f735e531764a99e7e
Reviewed-on: https://chromium-review.googlesource.com/1178244Reviewed-by: webrtc-chromium-autoroll <webrtc-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: webrtc-chromium-autoroll <webrtc-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#583757}

DEPS

@@ -1049,7 +1049,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '7ca87fb1d3da3b3d2060886e8c58e726d74c8219',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'fa2b2d62d77d4ca4e0cc04d0cc0702864e59db52',
+    Var('webrtc_git') + '/src.git' + '@' + '74ed734d717a3d3f47f393ab0f8593c7f6a696d6',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',