DeviceKeyHandler : Allow handling keyevents while screen off

Some devices require the keyevents to be processed while the screen
is off, this patchset addresses that by moving the filter up in the call
hierarchy.

Change-Id: If71beecc81aa5e453dcd08aba72b7bea5c210590
Fix removal of dock battery views in PhoneStatusBar

removeView is not recursive. Find and remove the dock views from their
direct parent. Fixes inconsistent paddings/margins with the wi-fi
indicator on tablets.

Change-Id: I56745059aaf84b1e52b6a4fd8806481beae0daff
Correct padding for status bar icons

4dp is used in AOSP.

Change-Id: I7f97cb9feabe267c67722d600d0891ab2ce1a907
qs: Add torch and GPS tiles by default if supported

 * New configuration variable config_enableTorch has been moved from
   the settings app that devices should overlay onto.

Change-Id: I2e4cb81390548cf055eae2836280fe9bdc65f0b0
QCFace: Fix package path

Change-Id: I8282331003d0494bd5620cfb6e91f2dcfa708d30
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>