Roll src/third_party/webrtc 9427b51d6ff5..e110a44628b1 (2 commits)

https://webrtc.googlesource.com/src.git/+log/9427b51d6ff5..e110a44628b1

git log 9427b51d6ff5..e110a44628b1 --date=short --first-parent --format='%ad %ae %s'
2020-04-23 danilchap@webrtc.org Delete uri for the Generic Frame Descriptor v1
2020-04-23 ilnik@webrtc.org Revert "Launch external ref control for vp9 encoder"

Created with:
  gclient setdep -r src/third_party/webrtc@e110a44628b1

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: chromium:1027108
Tbr: webrtc-chromium-sheriffs-robots@google.com
Change-Id: I1fbb3e5ede385d5dc0494e0c35be481b976cf44d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2163005Reviewed-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@{#761936}

DEPS

@@ -1447,7 +1447,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '9427b51d6ff50af73c217cb725b1c59b9d701796',
+    Var('webrtc_git') + '/src.git' + '@' + 'e110a44628b1fb0d266735988f9554979695ceb5',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),