Roll src/third_party/webrtc 940c2b500589..287bff32f45e (2 commits)

https://webrtc.googlesource.com/src.git/+log/940c2b500589..287bff32f45e

git log 940c2b500589..287bff32f45e --date=short --no-merges --format='%ad %ae %s'
2019-08-08 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision 498f5876..9230e75a (685149:685264)
2019-08-08 srte@webrtc.org Adds struct parameters parser/encoder.

Created with:
  gclient setdep -r src/third_party/webrtc@287bff32f45e

The AutoRoll server is located here: https://autoroll.skia.org/r/webrtc-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


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

Bug: chromium:None
Change-Id: I6ef941c367bde0db77902c18e1f5c0f2a9b4785b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1744774Reviewed-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@{#685362}

DEPS

@@ -1380,7 +1380,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + 'abaae129d9a0c6e1e092067e0b105475df43352e',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '940c2b500589d1c0cd54cd927e3b369856ec1a1e',
+    Var('webrtc_git') + '/src.git' + '@' + '287bff32f45eba47aa68f2c4b0bdbc834e8e1cb8',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',