[Media] Remove MEDIA_NEARBY_DEVICES flag.

Fixes: 254512726
Test: compiles
Test: atest MediaOutputBaseDialogTest MediaOutputBroadcastDialogTest
MediaOutputControllerTest MediaOutputDialogTest
Change-Id: I80bc26bf798f6ac99ed6aee564f4808c5c95d51c

Change-Id: Idde72a4fd2e21ecd20981283f03102baa4ccbed5
11 files changed