Roll src/third_party/webrtc/ 34d4e5a4d..8b64fd8a8 (9 commits)

https://webrtc.googlesource.com/src.git/+log/34d4e5a4d1a7..8b64fd8a85c1

$ git log 34d4e5a4d..8b64fd8a8 --date=short --no-merges --format='%ad %ae %s'

Created with:
  roll-dep src/third_party/webrtc


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
TBR=webrtc-chromium-sheriffs-robots@google.com

Change-Id: I04be5a185c79b3e867371457649823032b3fed64
Reviewed-on: https://chromium-review.googlesource.com/775039Reviewed-by: WebRTC Roll Bot <webrtc-autoroll@chromium.org>
Commit-Queue: WebRTC Roll Bot <webrtc-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#517119}

DEPS

@@ -624,7 +624,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '12192b948daa2d83269ab46cbf03d65e9f2a48a3',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '34d4e5a4d1a702b4d4edc7355cbb9d8e32fc0dcc', # commit position 20628
+    Var('webrtc_git') + '/src.git' + '@' + '8b64fd8a85c146a2defd7dc1e78ea349c877f92e', # commit position 20628
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',