fb: Add Wifi name to notification drawer when Wifi is connected

compared to 4.3 we do not make this optional any more. If it is connected
it will show up in the notification drawer permanently and behaves same
like the carrier label

Change-Id: I058b6de4e546b4fa9b9cfef6c765664e135de2e2

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
FB: Add SlimRoms notification shortcuts and classes (2/2)

This patch adds the following SlimRoms features:

- 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

Conflicts:
	core/java/com/android/internal/util/slim/DeviceUtils.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

Change-Id: I53b56ddd8c80c3892a054b121b2b09e8b9c47afc