Re-add BOARD_USE_LEGACY_TOUCHSCREEN flag for the devices that needs it

Change-Id: I24ed882348ec5463910b5e49f849af2deac240a3

Conflicts:

	services/input/Android.mk
Keyguard: disable music transport control debug

Change-Id: Ia4361d0850334dc0944559c40409c9062cf02e47
SystemUI: Navigation Bar: Rotate the search light in landscape

The current search light icon is an arrow pointing upwards, so
while in portrait it points to the direction to be swiped to access
Google Now (and the customizable shortcuts), in landscape it points
upward as well which looks out of place, and swiping upwards reveals
that you have to swipe towards the left to access those targets.
Rotate it by 270 degrees to make it point towards the right direction
(i.e. Towards the lockscreen widgets)

Change-Id: I19670fdb1f5ab7814c05264330cb8097a206639a
SystemUI: Update adb over network icons to kitkat colors

Change-Id: I11f61bb8f4f5f91fd6b5437b1c4ba1f479ee4ae3