Bluetooth: Reject unspported AVRCP commands

DUT sends accepted response to some of unsupported
AVRCP Pass through commands like F1, left , Right,
left up. Changes are made to ensure DUT sends response
as not implemented for unsupported AVRCP commands.

Change-Id: I5ed4844d05abedd927081f4890df20769a775930
CRs-Fixed: 551638
Merge "Bluetooth: Reject unspported AVRCP commands"