DisplaySettings: Add hardware-framework support for tap-to-wake

Since we have tap-to-sleep globally, might as well support the
wake gesture as a standalone thing through the HAF. Place it in
"Display".

Change-Id: I6facc2334ff9e80077581c54c428476594e91528
Allow changing screen-off animation (2/2)

* Allow enabling/disabling screen-off animation
* Allow selection between fade & crt effects if the device allows it

Change-Id: I5ebfab22e68ea34e3babfaacd9c8103e25932d3d
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0