Roll WebRTC from 52c138e36e87 to 0c83e15c6b61 (2 revisions)

https://webrtc.googlesource.com/src.git/+log/52c138e36e87..0c83e15c6b61

2020-10-14 alessiob@webrtc.org Move AGC2 config ToString to the right place and update Validate()
2020-10-14 ivoc@webrtc.org Add config options for python plots and text log to the NetEq simulator API.

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: I5afa041d94472442f78c7ae8249bbcb9c21bb0be
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2470339Reviewed-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@{#817027}

DEPS

@@ -1490,7 +1490,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '52c138e36e877fe4275726031d74e501f49f14bb',
+    Var('webrtc_git') + '/src.git' + '@' + '0c83e15c6b614d44f7bd545d518d02c681dedd65',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),