Revert "Roll src/third_party/webrtc 1ee9160a2e0b..89f64d305eff (4 commits)"

This reverts commit dfabb6a5.

Reason for revert: Speculative Revert. Failures:
https://ci.chromium.org/buildbot/chromium.webrtc/Linux%20Tester/43473

Original change's description:
> Roll src/third_party/webrtc 1ee9160a2e0b..89f64d305eff (4 commits)
> 
> https://webrtc.googlesource.com/src.git/+log/1ee9160a2e0b..89f64d305eff
> 
> 
> git log 1ee9160a2e0b..89f64d305eff --date=short --no-merges --format='%ad %ae %s'
> 2018-09-28 crodbro@webrtc.org Move network trace calculation from analyzer to rtc_event_log_parser.
> 2018-09-28 mbonadei@webrtc.org Remove deprecated field_trial_default and metrics_default.
> 2018-09-28 peah@webrtc.org AEC3: Remove killswitches in AecState
> 2018-09-28 phensman@webrtc.org Add option to call VMAF in compare_videos.py.
> 
> 
> Created with:
>   gclient setdep -r src/third_party/webrtc@89f64d305eff
> 
> The AutoRoll server is located here: https://autoroll.skia.org/r/webrtc-chromium-autoroll
> 
> 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;luci.chromium.try:mac_chromium_archive_rel_ng
> 
> BUG=chromium:b/116768521
> TBR=webrtc-chromium-sheriffs-robots@google.com
> 
> Change-Id: Iaf84f48258437048eba24462cabc1b0971408fc1
> Reviewed-on: https://chromium-review.googlesource.com/1250946
> Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/master@{#595060}

TBR=chromium-autoroll@skia-public.iam.gserviceaccount.com,webrtc-chromium-sheriffs-robots@google.com

Change-Id: Ie2537d71336a02b628f968bc293436c3b748e0c4
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:b/116768521
Cq-Include-Trybots: luci.chromium.try:linux_chromium_archive_rel_ng;luci.chromium.try:mac_chromium_archive_rel_ng
Reviewed-on: https://chromium-review.googlesource.com/1251585Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Commit-Queue: Mirko Bonadei <mbonadei@chromium.org>
Cr-Commit-Position: refs/heads/master@{#595116}

DEPS

@@ -1106,7 +1106,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '6d2f3f4cb8bac1f7c4a945c73d07a33df74f22f9',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '89f64d305effbfa43e92da6ad28d1598574f7d6c',
+    Var('webrtc_git') + '/src.git' + '@' + '1ee9160a2e0bc6381caca2b8c42f7ce5507619bc',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',