Status bar activity indicators for mobile data and wifi

Google were nice enough to create xxhdpi drawables for us before removing them.

Reverts "Remove signal/wifi activity indicator icon overlays."

This reverts commit fcc901c10bffdfb9c6b31e676dec36b47d949979.

Included NetworkController.java modification from Iaaa556ffab3ed4be1da8016ed40d0a9c2efcde01

Adding preference for arrows

PS14: Fixing errors

PS15: Turning arrows off done via actual removing drawables work, so when arrows are turned off,
they do not redraw statusbar anymore :-[

PS16: Commit Iaaa556ffab3ed4be1da8016ed40d0a9c2efcde01 merged to this one

PS17: Rebase to allow merge with latest source

Change-Id: I7aa85f7c8442c45d17e42cac7823dfe93e3f24c1
Systemui: ignore bartransitions if we are not on highend gfx

Change-Id: Ie40fc76b8fce760cd31675d0edad2045d2567643
msim: Add missing layouts for battery icon on MSIM devices.

This commits adds missing layouts for showing battery icon on notifications bar in MSIM devices.

Change-Id: I1c9675667a0c22a7e35b98f09a177fcf8609ecb1
Theme Engine: Add missing changes for MSIM devices

This commit adds some necessary changes for the New Theme Engine on MSIM devices.

Change-Id: I3281b5e865c37b4519d60031856ba787ba8f9c32
Merge remote-tracking branch 'upstream/kitkat' into kitkat