Roll Media App from zwRP_oB_F... to xGtAyO3MH...

Release_Notes: http://go/media_app-x20/relnotes/Main/media_app_202009040800_RC00.html

https://chrome-infra-packages.appspot.com/p/chromeos_internal/apps/media_app/app/+/xGtAyO3MHh3FTI42sQnyAcjnTN8GyCxFOE1Y7ysQ0NkC

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://skia-autoroll.corp.goog/r/media-app-chromium-autoroll
Please CC media-app@grotations.appspotmail.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/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chrome.try:linux-chromeos-chrome
Bug: None
Tbr: media-app@grotations.appspotmail.com
Change-Id: Id6311159081cab1cb88a1a11bf975ca18dcc77cf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2393708Reviewed-by: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Commit-Queue: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#804601}

DEPS

@@ -1562,7 +1562,7 @@ deps = {
     'packages': [
       {
         'package': 'chromeos_internal/apps/media_app/app',
-        'version': 'zwRP_oB_FFojw9A51kcgFuTt7F2XMAF7nY9G1H61DPsC',
+        'version': 'xGtAyO3MHh3FTI42sQnyAcjnTN8GyCxFOE1Y7ysQ0NkC',
       },
     ],
     'condition': 'checkout_chromeos and checkout_src_internal',