Roll src/third_party/webrtc 23df143850f9..26762d0425ff (6 commits)

https://webrtc.googlesource.com/src.git/+log/23df143850f9..26762d0425ff

git log 23df143850f9..26762d0425ff --date=short --first-parent --format='%ad %ae %s'
2019-12-23 danilchap@webrtc.org Add video codec AV1 to the deprecated android decoder/encoder wrappers
2019-12-21 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision 937a7837..6f7e5e79 (726883:727038)
2019-12-20 yvesg@webrtc.org Roll chromium_revision e4c6d7fe..937a7837 (726742:726883)
2019-12-20 olka@webrtc.org Revert "Reland "Reland "Distinguish between send and receive video codecs"""
2019-12-20 yoklmnprst@ya.ru Fixed crash on iOS13, methods beginGeneratingDeviceOrientationNotifications and endGeneratingDeviceOrientationNotifications.
2019-12-20 kron@webrtc.org Reland "Reland "Distinguish between send and receive video codecs""

Created with:
  gclient setdep -r src/third_party/webrtc@26762d0425ff

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:1029737
Tbr: webrtc-chromium-sheriffs-robots@google.com
Change-Id: I4973edc0dfad97b10816f2a7fff36926641ad9ac
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1980465Reviewed-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@{#727147}

DEPS

@@ -1483,7 +1483,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '53655df4cde60b121fc530842ba9a6d5dfec1ae1',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '23df143850f9b6757de71805ce53d738d57f72c6',
+    Var('webrtc_git') + '/src.git' + '@' + '26762d0425ffd15af9ddc3ae669373668827ea00',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),