AVRCP: Browse support checks for Track & NowPlaying

- Refine Browse supported logic checks while we
are sending Track & Now Playing Change where we
disallow sending Now Playing content Change rsp
& sending Track ID 0 for all non-browsable players.

- Restrict MBS connection retry for active device
switch and player switch to once.

Change-Id: I5ac2f3c7a2595431ce317a45328f0a525c1cc302
1 file changed