AVRCP Controller Disable Automatic Focus Request

Remove automatic focus requests when isMusicActive returns false as
there are too many edge cases in behavior to work well.

Bug: 144507838
Test: Attempt to play media from connected device while no audio is
active

Change-Id: I547d195012c56dc73029ef59ed24bbfe7d536646
(cherry picked from commit 7bf34893)

Merged-In: I547d195012c56dc73029ef59ed24bbfe7d536646
Change-Id: I5870c92a24d1501bd10162d28a3dde5e83b26251