No AudioFocus for notifications when media played remotely

Don't use AudioFocus when playing a notification when media is
 playing remotely. This behavior may be accompanied by
 rules in the device's audio policy to not route the notifications
 to the remote display.

Bug 7485803

Change-Id: I8b96aa59cace75f6e9a0e73799ef8c75e9ee97aa
1 file changed