Prevent wakeup when receiving AVRCP media KeyEvents

Devices connected via AVRCP use different codes.
Added playback events to the filter.

Change-Id: I359a5c34a29ef524d5781f9ab35bd2c4f2ae8be1
Signed-off-by: sethyx <sethyx@gmail.com>
Merge "Prevent wakeup when receiving AVRCP media KeyEvents" into kitkat
Merge remote-tracking branch 'aokp/kitkat' into kitkat