Roll src/third_party/openscreen/src 9931e7a88ec3..4112d4f0c61a (2 commits)

https://chromium.googlesource.com/openscreen.git/+log/9931e7a88ec3..4112d4f0c61a

git log 9931e7a88ec3..4112d4f0c61a --date=short --first-parent --format='%ad %ae %s'
2020-02-27 btolsch@chromium.org Remove platform/impl from cast/DEPS
2020-02-27 btolsch@chromium.org Add Cast app discovery mechanism

Created with:
  gclient setdep -r src/third_party/openscreen/src@4112d4f0c61a

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/openscreen-chromium
Please CC jophba@chromium.org 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: jophba@chromium.org
Change-Id: Ibdd3379caa76eb5e9fea7ca142451b8fdac7d660
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2076794Reviewed-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@{#744934}

DEPS

@@ -1218,7 +1218,7 @@ deps = {
     Var('chromium_git') + '/external/github.com/cisco/openh264' + '@' + '6f26bce0b1c4e8ce0e13332f7c0083788def5fdf',
 
   'src/third_party/openscreen/src':
-    Var('chromium_git') + '/openscreen' + '@' + '9931e7a88ec31d7ffe83d829d00ddae55ea109d3',
+    Var('chromium_git') + '/openscreen' + '@' + '4112d4f0c61aa374c0013c3591fd532392156b4c',
 
   'src/third_party/openxr/src': {
     'url': Var('chromium_git') + '/external/github.com/KhronosGroup/OpenXR-SDK' + '@' + '9e97b73e7dd2bfc07745489d728f6a36665c648f',