Roll WebRTC from f5c373b5fb1d to 3dc4780d8e58 (2 revisions)

https://webrtc.googlesource.com/src.git/+log/f5c373b5fb1d..3dc4780d8e58

2020-09-11 philipel@webrtc.org Added VideoContentType to OnDecodedFrame callback.
2020-09-11 nisse@webrtc.org Make NetEqController::TargetLevelMs const, part 2

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: I3b1864ddd40036ea09e641c1961e6eef1e2ac5f9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2406144Reviewed-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@{#806179}

DEPS

@@ -1471,7 +1471,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'f5c373b5fb1d84774f388e773a2df1c7c9f26cc3',
+    Var('webrtc_git') + '/src.git' + '@' + '3dc4780d8e58e1de597876b385324132c50fc8ec',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),