Roll Media App from dn-tZC1K2... to nPjEGC7iC...

Release_Notes:http://go/media_app-x20/relnotes/Nightly/media_app_202008210800_RC00.html

https://chrome-infra-packages.appspot.com/p/chromeos_internal/apps/media_app/app/+/nPjEGC7iC_JZPS-2t6OXpyqtoD_uxii0UigGyO6p6ToC

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/158654343,b/165394926,b/165748389,b/165878563
Tbr: media-app@grotations.appspotmail.com
Change-Id: If707950d26252fa151c73089f6efdbc1dc5893c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2369167Reviewed-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@{#800734}

DEPS

@@ -1561,7 +1561,7 @@ deps = {
     'packages': [
       {
         'package': 'chromeos_internal/apps/media_app/app',
-        'version': 'dn-tZC1K2hB8pa-D8uCBdQh4U9xdeiQvV7QEmNoyTZQC',
+        'version': 'nPjEGC7iC_JZPS-2t6OXpyqtoD_uxii0UigGyO6p6ToC',
       },
     ],
     'condition': 'checkout_chromeos and checkout_src_internal',