Roll Media App from ORxPzHZ0Y... to hggko_uXu...

Release_Notes: http://go/media_app-x20/relnotes/Main/media_app_202012150600_RC00.html

https://chrome-infra-packages.appspot.com/p/chromeos_internal/apps/media_app/app/+/hggko_uXuyxm_pLSASRkHELwYPxwaBF969K75Dw8z_MC

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: b/138543581,b/138961540,b/161823671,b/169023690,b/174201860,b/174536568,b/175517195,b/175636714,b/175638149
Tbr: media-app@grotations.appspotmail.com
Change-Id: I22450ce53bfefbd560ed610a48ec42cab73a4ce6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2593422Reviewed-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@{#837114}

DEPS

@@ -1634,7 +1634,7 @@ deps = {
     'packages': [
       {
         'package': 'chromeos_internal/apps/media_app/app',
-        'version': 'ORxPzHZ0YsN2W2bglOcsXbN1i-kvfEAj0sbC9jZ38UYC',
+        'version': 'hggko_uXuyxm_pLSASRkHELwYPxwaBF969K75Dw8z_MC',
       },
     ],
     'condition': 'checkout_chromeos and checkout_src_internal',