[2/2] Left handed navbar during landscape mode

This patch allows for the navbar to be moved to the left side of the
screen during landscape mode. Left handed people are more used to this
option.

This patch must go with another patch that changes
packages/apps/Settings

Screenshot: http://i.imgur.com/jWqJcEV.png

Change-Id: Ic95e3fda1f55efd2ec908c8d7226e638ec0ab80a

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
qs: sync volume tile icon

Display the current volume level in the volume qs tile

Patchset 2: Remove trailing whitespaces

Change-Id: I2dcf31ab2476883770a01ca1b015e3973417e855
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Make sure to turn off led after pulse()

setLightLocked() will update mColor. This will cause the led to not be
turned off after the pulse.
When notificationManager starts a attention pulse the led will be kept
on. Since attention is of highest prio nothing can turn it off.
This is fixed by resetting mColor back to 0 after the call.

Change-Id: Id60ef96e5c21b47c23002f0bcf2fae7fb3f2ca10