Roll WebRTC from 4244b5f6b438 to fa9520e752b4 (3 revisions)

https://webrtc.googlesource.com/src.git/+log/4244b5f6b438..fa9520e752b4

2020-10-15 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision 9b1cb285..070c3d67 (817475:817632)
2020-10-15 joedow@google.com Fixing the error logging in desktop_capture for Windows
2020-10-15 perkj@webrtc.org VideoStreamEncoder report VideoLayersAllocation for simulcast

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: I5850e822556a56a9206e3fd0fed5763beb1891ea
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2477599Reviewed-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@{#817756}

DEPS

@@ -1491,7 +1491,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '4244b5f6b4381bf983379778ed9a7afc69a70cdc',
+    Var('webrtc_git') + '/src.git' + '@' + 'fa9520e752b48711a9bbd8d52c40dffe5e580b35',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),