Bluetooth : HAL change for wake state change callback

This change includes function declaration for the wake state
change callback. This is to implement wake lock acquire/release
machanism to ensure the power saving when the ACL is not active.

Change-Id: I3205458e29521efd0d01a66a314fad499763cb87
CRs-fixed: 576239
Bluetooth: Stack certification.

Stack certification changes for L2CAP, SDP and RFCOMM

Change-Id: If322fff2c5dcf915333574aaae0394f130498305
Support for graphics hardware on Snowball for JB.

Change-Id: I47ad6dd695636536520590ed6eb791fe9289ffd7
Signed-off-by: Patrik Ryd <patrik.ryd@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/70899
Signed-off-by: Alin Jerpelea <jerpelea@gmail.com>

Conflicts:
	include/hardware/hwcomposer.h
Revert "Bluetooth: Stack certification."

This reverts commit 381bdcd870d3b1b46fcde4dc284c8251e8ca60df.