Roll src/third_party/webrtc da6cda839dac..b613e3ab6b71 (2 commits)

https://webrtc.googlesource.com/src.git/+log/da6cda839dac..b613e3ab6b71

git log da6cda839dac..b613e3ab6b71 --date=short --first-parent --format='%ad %ae %s'
2020-04-17 hbos@webrtc.org [Adaptation] Resource::IsAdaptationUpAllowed() for IsBitrateConstrained.
2020-04-17 hbos@webrtc.org [Adaptation] Introduce VideoStreamInputState and its Provider.

Created with:
  gclient setdep -r src/third_party/webrtc@b613e3ab6b71

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: Icd194b312aadcb78fe84479d94e89b4df2d12c45
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2154564Reviewed-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@{#760103}

DEPS

@@ -1447,7 +1447,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'da6cda839dac7d9d18eba8d365188fa94831e0b1',
+    Var('webrtc_git') + '/src.git' + '@' + 'b613e3ab6b7126512a3a1fbc3852fa946ca4ee30',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),