Update media_app to UZ0LaGP4pONeWSmuhGzTHaNGXAnBjLFccXtfgum0L4QC CIPD package.

CIPD package: https://chrome-infra-packages.appspot.com/p/chromeos_internal/apps/media_app/app/+/UZ0LaGP4pONeWSmuhGzTHaNGXAnBjLFccXtfgum0L4QC

Release notes: http://go/media_app-x20/relnotes/Stable/media_app_202008090800_RC00.html

Bug: b/161193454, b/163023477, b/162996761
Fixed: 1112752

Cq-Include-Trybots: chrome/try:linux-chromeos-chrome
Change-Id: Ie0060eb5151bbb308ca6e26b0218549b0417cbbb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2344327
Auto-Submit: Trent Apted <tapted@chromium.org>
Reviewed-by: dstockwell <dstockwell@google.com>
Commit-Queue: Trent Apted <tapted@chromium.org>
Cr-Commit-Position: refs/heads/master@{#796285}

DEPS

@@ -1556,7 +1556,7 @@ deps = {
     'packages': [
       {
         'package': 'chromeos_internal/apps/media_app/app',
-        'version': 'ZF_pgjG6rhfxsI1g17CmHTot4WuP2GZTEgUV2qEN0E8C',
+        'version': 'UZ0LaGP4pONeWSmuhGzTHaNGXAnBjLFccXtfgum0L4QC',
       },
     ],
     'condition': 'checkout_chromeos and checkout_src_internal',