Roll WebRTC from cffaf0aea477 to da06e8f6bdb7 (2 revisions)

https://webrtc.googlesource.com/src.git/+log/cffaf0aea477..da06e8f6bdb7

2021-01-11 perkj@webrtc.org Do not proxy VideoSendStreamImpl::OnVideoLayersAllocationUpdated
2021-01-11 nisse@webrtc.org Delete deprecated H264BitstreamParser methods

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: Id1ebd255a05ab39a40e3c498c20d7d6406c0e482
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2619228Reviewed-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@{#842053}

DEPS

@@ -1518,7 +1518,7 @@ deps = {
     Var('chromium_git') + '/external/github.com/gpuweb/cts.git' + '@' + '3c2fe3888658d82b47ca831d59a2e07579619c2d',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'cffaf0aea477b2ec923d023ef4a8b1bf65921cab',
+    Var('webrtc_git') + '/src.git' + '@' + 'da06e8f6bdb7bda271d9e68300f42e769d896542',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),