Active Display: Add always show pocket mode. [1/2]

Currently pocket mode is either on or off and when no
notifications are available it doesn't turn on.  This
adds an option to allow active display to come on even
when no notifications are available, showing the time
and allowing the user to unlock the device.

PS2:
Add unlock icon to center of the ring.

AICP:
Repushed fixed patch. previous was causing SystemUI FC

Change-Id: If8e998831fa224224976228ee680be0c732bae1a
Make menues and dialogs 90% transparent

Drawables by - Tun_SD (Daniel Seidel)

PS2: Add xhdpi normal and DarkUI ones

Change-Id: Ida77cee2c788505437e06262dc3ae9cbbc6cbe4d
SystemUI: H+ and DC icons need KitKat love also!

Change-Id: I214f3e87f9f3514164b69b2c237981a896c00f66
Add rest of 90% transparent icons

Change-Id: Ie05aa9af32f0092b3d74ff27f29d472c98730209
Revert "NetStats: Don't update stats when screen is off"

This reverts commit 66425de7f5104aae05785a26515df65d871575ba.

Change-Id: I8140a35403ef363587089a37ce534912704e5916
NetStats: Don't update stats when screen is off

Also moved registering of broadcast receiver and settings
observer to onAttachedToWindow() and unregistering to
onDetachedFromWindow() to avoid these being leaked.

PS2:
Keep track of screen on/off in a new field.

Change-Id: I78def75f34f43fbc9853a590745414777d37e443
Merge "Revert "NetStats: Don't update stats when screen is off"" into jb-mr2
Merge "NetStats: Don't update stats when screen is off" into jb-mr2
Merge branch 'jb-mr2' of https://github.com/AICP/frameworks_base into jb-mr2