Bluetooth: AVRCP 1.3 features changes (2/2)

Bluetooth module will listen metadata/event change intents
from Music app and post data to Bluez stack.

Merged the following from ICS:
Change-Id: 37151cf5162404e27c985a1b6a874cfd9a51d657
Change-Id: f3d9f182f0eacc3ead491f7d3f571f5ed93f7c20
Change-Id: 432fdab5fbbfb6687b571d1e06d6b51e944ed4d5
Change-Id: b4d51e3bc1b52f6c1ff1d006aae6cff261c739e9
Change-Id: f1c1549254c17be681066544efbbcf7ad1e25913

       modified:   core/java/android/server/BluetoothA2dpService.java
       new file:   core/java/fm/last/api/Station.java
       modified:   core/jni/android_server_BluetoothA2dpService.cpp
       modified:   core/jni/android_server_BluetoothEventLoop.cpp
       new file:   core/res/res/values/avrcp_data.xml
       modified:   core/res/res/values/public.xml

Signed-off-by: Trey Briggs <treybriggs@gmail.com>