fb: add back notification shortcuts feature + common slim classes

beside our unique slim feature this patch adds

- all system shortcut icons we need for this and other stuff in future
- basice slim helper and constants classes we need later as well
- device utils helper
- preparation for navbar navring and other shortcut features
- and of course our notification shortcuts feature

compared to 4.3 some fixes were added + adapting to 4.4

xxhdpi icons thanks to kroz again

Change-Id: Ie552480007bde649352c699c8ff9ac10e79ed069

Conflicts:
	core/java/com/android/internal/util/temasek/DeviceUtils.java
	packages/SystemUI/res/values/cr_dimens.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
Revert "[2/2] Frameworks: HALO Colors"

This reverts commit 04c64c11a71db0a2194c49bf9aab0b7654a1dac7.
HALO: Custom stuff colors!

It includes, bubble, speech, the "delete" circle, text, etcetera.

All the credits goes to Hellkat @thdDude

Picked from: 7c4b919e90d6ce5ea69877f8423b35ec7acce4d0