Roll src/third_party/webrtc 287e46470558..0197887d71f8 (2 commits)

https://webrtc.googlesource.com/src.git/+log/287e46470558..0197887d71f8

git log 287e46470558..0197887d71f8 --date=short --no-merges --format='%ad %ae %s'
2019-11-19 danilchap@webrtc.org Stop using DEPRECATED_SingleThreadedTaskQueueForTesting in MultiStreamTester
2019-11-19 philipel@webrtc.org EventLogVisualizer pacer delay plot fix.

Created with:
  gclient setdep -r src/third_party/webrtc@0197887d71f8

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

TBR=webrtc-chromium-sheriffs-robots@google.com

Bug: chromium:none
Change-Id: Id201abd6a5c5aaf038cedca26c66a1dafca3ab23
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1924018
Reviewed-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@{#716615}
diff --git a/DEPS b/DEPS
index 059b0fa1..d1942cb 100644
--- a/DEPS
+++ b/DEPS
@@ -1502,7 +1502,7 @@
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + 'dd55f3ca8f2ea716ca917a4aaf36f0729fe902b1',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '287e46470558100a1765269ce367808f0ee8efd8',
+    Var('webrtc_git') + '/src.git' + '@' + '0197887d71f86ce91e93c67a4aaf27382d106a0b',
 
   # Wuffs' canonical repository is at github.com/google/wuffs, but we use
   # Skia's mirror of Wuffs, the same as in upstream Skia's DEPS file.