Merge "Listen EXTERNAL_APPLICATIONS_AVAILABLE intent" into sc-dev am: 790d3eb079 am: cedfba2e89

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/14772860

Change-Id: Ie9633dc70ea4086d542edc43eea7427c96afd62e