Roll WebRTC from 4543697b3755 to c4ad6062fd17 (1 revision)

https://webrtc.googlesource.com/src.git/+log/4543697b3755..c4ad6062fd17

2020-11-13 perkj@webrtc.org Ensure EncoderSink::OnBitrateAllocationUpdated not called after Stop

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: chromium:1143311
Tbr: webrtc-chromium-sheriffs-robots@google.com
Change-Id: Ic269443757e2e7ee9b5b2dc2a950a1123ded4465
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2537178Reviewed-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@{#827409}

DEPS

@@ -1506,7 +1506,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '4543697b37554df546d3583fd54a206558dea2b8',
+    Var('webrtc_git') + '/src.git' + '@' + 'c4ad6062fd17ce422cac7a871210218d3c487f15',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),