(1/2) Volume Rocker (Squashed):

* Volume rocker wake
* Volume rocker music control

Change-Id: I0b9b252153e1fe048f7048a9da2197797a577ff1
Signed-off-by: Andre Saddler <dresadd09691@gmail.com>

Conflicts:
	core/java/android/provider/Settings.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

PS1: Volume Rocker: Switch from Broadcast to Audioservice.

* Fix volume rocker music track seek.
* Minor fixes

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

Change-Id: If4afda046b9fbebda611615371a718122ffb57b6

PS2: Volume Rocker: Do not wake up during track seek.

* After switching to Audioservice track seek works great but it woke the device too if we select both options. Wake only if we do not skip tracks (like raising the volume).

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

Volume Rocker: Hardcode music track seek option (1/2).

* The feature is enabled by default but not configurable.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

PS2:

* Remove unneeded variables.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

Change-Id: I0c72dd00f8a161255a59330862fa69c66735a3e4

Conflicts:

	core/java/android/provider/Settings.java