Roll WebRTC from 81de439281e9 to 7b69a44c8b1c (1 revision)

https://webrtc.googlesource.com/src.git/+log/81de439281e9..7b69a44c8b1c

2020-08-31 deadbeef@webrtc.org Fix ABA problem when iterating epoll events.

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/webrtc-chromium-autoroll
Please CC webrtc-chromium-sheriffs-robots@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Bug: None
Tbr: webrtc-chromium-sheriffs-robots@google.com
Change-Id: Ia5b36f515e3ede0da071dc5c8cd3c6b42ee3b4ba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2386955Reviewed-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@{#803327}

DEPS

@@ -1471,7 +1471,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '81de439281e9dd65f09a8e3138576008b0b8b17b',
+    Var('webrtc_git') + '/src.git' + '@' + '7b69a44c8b1cc632e1633c7622e12d789972e3e2',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),