Roll src/third_party/webrtc 7a1c7f782a14..78026754a734 (2 commits)

https://webrtc.googlesource.com/src.git/+log/7a1c7f782a14..78026754a734


git log 7a1c7f782a14..78026754a734 --date=short --no-merges --format='%ad %ae %s'
2018-08-01 peah@webrtc.org AEC3: Utilize shadow filter output to respond to audio path changes
2018-08-01 oprypin@webrtc.org Explicitly add -mfpu=neon to all targets that use NEON


Created with:
  gclient setdep -r src/third_party/webrtc@78026754a734

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:869821
TBR=webrtc-chromium-sheriffs-robots@google.com

Change-Id: I50a4664af22308ac41d58db2390bf766493e546b
Reviewed-on: https://chromium-review.googlesource.com/1158786Reviewed-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@{#579856}

DEPS

@@ -1034,7 +1034,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '21dbf06b5aa6c7dc8cf56314d4a3f96f57956c53',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '7a1c7f782a149a688e4d74f4df90b10185c01724',
+    Var('webrtc_git') + '/src.git' + '@' + '78026754a73496542b3e7bba7153385d7acc3613',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',