Roll WebRTC from d7808f1c464a to cf8ec1f68676 (25 revisions)

https://webrtc.googlesource.com/src.git/+log/d7808f1c464a..cf8ec1f68676

2020-12-15 mbonadei@webrtc.org Introduce empty rtc_base:async_resolver target.
2020-12-15 mbonadei@webrtc.org Add TBR to the WebRTC code freshness updater and send to CQ.
2020-12-15 natim@webrtc.org Using absl::optional for round trip time return type handling.
2020-12-15 deadbeef@webrtc.org Get rid of recently added rtc_openssl_is_boringssl build argument.
2020-12-14 mbonadei@webrtc.org Add WebRTC code freshness version string.
2020-12-14 ilnik@webrtc.org Use a task queue for call interaction in video_replay tool
2020-12-14 mbonadei@webrtc.org Fix order-dependent tests.
2020-12-13 sprang@webrtc.org Extend LibvpxInterface with VP9 support and use it from LibvpxVp9Encoder
2020-12-11 natim@webrtc.org Enforcing return type handling on VoIP API.
2020-12-11 hta@webrtc.org Add tests for adding many transceivers and renegotiating.
2020-12-11 hmaniar@nvidia.com Reland "Enable FlexFEC as a receiver video codec by default"
2020-12-11 deadbeef@webrtc.org Reland: Use CRYPTO_BUFFER APIs instead of X509 when building with BoringSSL.
2020-12-11 deadbeef@webrtc.org Do all BaseChannel operations within a single Thread::Invoke.
2020-12-10 sprang@webrtc.org Splits vp9_impl into libvpx_vp9_encoder and libvpx_vp9_decoder.
2020-12-10 philipel@webrtc.org Remove EncodedFrame::inter_layer_predicted.
2020-12-10 philipel@webrtc.org Remove use of inter_layer_predicted in FrameBuffer2.
2020-12-10 landrey@webrtc.org Rename UNIT_TEST to WEBRTC_UNIT_TEST
2020-12-10 saza@webrtc.org Revert "Use CRYPTO_BUFFER APIs instead of X509 when building with BoringSSL."
2020-12-10 deadbeef@webrtc.org Use CRYPTO_BUFFER APIs instead of X509 when building with BoringSSL.
2020-12-09 philipp.hancke@googlemail.com sdp: add missing continue after parsing b= lines
2020-12-09 devicentepena@webrtc.org Erle metric: avoid the decreasing of the metric when there is no render activity.
2020-12-09 philipel@webrtc.org Stop using inter_layer_predicted flag for VP9.
2020-12-09 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision a89d00b3..708cc13d (834813:835045)
2020-12-09 alessiob@webrtc.org RNN VAD: FC layer simplified
2020-12-08 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision 2be5b61c..a89d00b3 (834670:834813)

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: I88d50e234435b85c641c616bbaebfc3724291749
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2593420Reviewed-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@{#837104}

DEPS

@@ -1543,7 +1543,7 @@ deps = {
     Var('chromium_git') + '/external/github.com/gpuweb/cts.git' + '@' + '3c2fe3888658d82b47ca831d59a2e07579619c2d',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'd7808f1c464a07c8f1e2f97ec7ee92fda998d590',
+    Var('webrtc_git') + '/src.git' + '@' + 'cf8ec1f6867651204d81b14a8c31a86e6eb97572',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),