Roll src/third_party/webrtc adc48799090c..c8993d8b01c9 (5 commits)

https://webrtc.googlesource.com/src.git/+log/adc48799090c..c8993d8b01c9


git log adc48799090c..c8993d8b01c9 --date=short --no-merges --format='%ad %ae %s'
2018-08-17 buildbot@webrtc.org Roll chromium_revision 409b9c00..77bf1926 (583992:584099)
2018-08-17 nisse@webrtc.org Delete webrtc::PacketTime and backwards compatibility.
2018-08-17 saza@webrtc.org Toggle AECs via AudioProcessing::Config
2018-08-17 titovartem@webrtc.org Switch webrtc users from deprecated ctors.
2018-08-17 sprang@webrtc.org Don't drop keyframes even if TemporalLayers says so.


Created with:
  gclient setdep -r src/third_party/webrtc@c8993d8b01c9

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

BUG=chromium:None
TBR=webrtc-chromium-sheriffs-robots@google.com

Change-Id: Ided700bf4eb02c9e1f3cfb9cc5e9eaff4f7eb8b0
Reviewed-on: https://chromium-review.googlesource.com/1180246Reviewed-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@{#584188}

DEPS

@@ -1060,7 +1060,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '7ca87fb1d3da3b3d2060886e8c58e726d74c8219',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'adc48799090c5906abe37211c389aa588167d6a6',
+    Var('webrtc_git') + '/src.git' + '@' + 'c8993d8b01c986e12f0cb461d349069bb5df1ca1',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',