Roll src/third_party/webrtc ff0e4dbd1f0b..8c79c6e1af35 (2 commits)

https://webrtc.googlesource.com/src.git/+log/ff0e4dbd1f0b..8c79c6e1af35

git log ff0e4dbd1f0b..8c79c6e1af35 --date=short --first-parent --format='%ad %ae %s'
2020-01-27 srte@webrtc.org Only include overhead if using send side bandwidth estimation.
2020-01-27 hbos@webrtc.org [Overuse] Move GetCpuOveruseOptions() to adaption module.

Created with:
  gclient setdep -r src/third_party/webrtc@8c79c6e1af35

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/+/master/autoroll/README.md

Bug: None
Tbr: webrtc-chromium-sheriffs-robots@google.com
Change-Id: I878d1f84a19f160d4e7125b2cffb6e2b85d2accf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2022966Reviewed-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@{#735448}

DEPS

@@ -1501,7 +1501,7 @@ deps = {
     Var('chromium_git') + '/external/github.com/gpuweb/cts.git' + '@' + 'ec18cc3262922e7dcdbe70243c6f40606f979144',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'ff0e4dbd1f0b5549c9cd90687b8599131e909b10',
+    Var('webrtc_git') + '/src.git' + '@' + '8c79c6e1af354c526497082c79ccbe12af03a33e',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),