Update media_app to JFXGDZ4SXUx3Hmzx9tzDH7x90Qb-Oa2Z_BqPo4BfioIC CIPD package.

CIPD package: https://chrome-infra-packages.appspot.com/p/chromeos_internal/apps/media_app/app/+/JFXGDZ4SXUx3Hmzx9tzDH7x90Qb-Oa2Z_BqPo4BfioIC

Release notes: http://go/media_app-x20/relnotes/Stable/media_app_202006230800_RC00.html

Bug: b/159408606, b/159186081, b/159305536, b/133374709, b/159407608, b/159409929

Cq-Include-Trybots: chrome/try:linux-chromeos-chrome
Change-Id: Ief3e29faa262ee79ccf823dfd142272887ad32cb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2262378Reviewed-by: Trent Apted <tapted@chromium.org>
Commit-Queue: Trent Apted <tapted@chromium.org>
Commit-Queue: Zain Afzal <zafzal@google.com>
Cr-Commit-Position: refs/heads/master@{#781775}

DEPS

@@ -1543,7 +1543,7 @@ deps = {
     'packages': [
       {
         'package': 'chromeos_internal/apps/media_app/app',
-        'version': 'DdHwDgGvGlyPA2ih4uxWvn5jmuug258Nz1wrbgcJHQ8C',
+        'version': 'JFXGDZ4SXUx3Hmzx9tzDH7x90Qb-Oa2Z_BqPo4BfioIC',
       },
     ],
     'condition': 'checkout_chromeos and checkout_src_internal',