Active display: make sure mNotificaiton is set correctly

Change-Id: I4111ca843e340cca4d6dac4b2c2922ce3039e487
Active display: register/unregister recievers and listeners when enabled/disabled

Change-Id: Ic73e63da2c9634bc864ab1a1387eb9145eb0b5b0
Active Display: check if recievers and listeners are registered

Change-Id: I1a881aebcbfc2bae92535a4e9ea55ba3789d8b43
Active display: Catch Resources.NotFoundException

This caused the SystemUI to FC when the device was powered and a notification was fired.
Display stayed off and the SystemUI kept restarting until the device was unlocked manually.

Change-Id: Ibfd82242e82aa9ee5c0898f5f0714e490eac0ea9
Revert "Active Display: check if recievers and listeners are registered"

This reverts commit 16384847ed731e25b1a63f4fd921c9b4808ab674.
Active display: Unify (un)registering callbacks and add proper checks.

Change-Id: Ie4c4660a54d2c60831f7a3bcc66b3a9ca1d035f2
Active-D: Make GlowPadView center the current notification icon for us

sudo makemeasandwich

ps2: make scaling both smarter and stupider SIMULTANEOUSLY

Change-Id: I582f387fd3c1c83f2bbd0d31a4b43e22d1b82d63
Signed-off-by: nuclearmistake <nuclearmistake@gmail.com>
Active display: Fix for HDPI devices.

Thank's to @AlmightyMegadeth00 for the tips...

Signed-off-by: aways <aways@c-rom.biz>
fix active display?
Signed-off-by: scott <scott@ubuntu.com>

Change-Id: I421cfc0dcdd91eabb70f2cb474efdd6fc7f57a59