SystemUI: Fix potential NPE

Does already cause issues on some Halo ports to other ROMs.
Might not cause issues on PA (yet), but better safe than sorry.
SystemUI: Always show translucent decor on recents panel

Change-Id: Id3e371f841b065ba6ac7693d96b38504354b4fd9
Base: Lockscreen blur enhancements

Changed base for lockscreen blur to AOSPAL

Thanks to Kyrylo Mikos <kiril.mik.os@gmail.com>

Change-Id: I9bf0f37b99d2277f1e62c3a108ad51c5e340b711
Fix Lockscreen Blur Rotation

reset mLastRotation value on every recreate.

Change-Id: Id09ab65d8668ffb1f146e00d6ee2ec8ec09012fb
Fix Lockscreen Notification Button Landscape Layout

Change-Id: I77bd00aed6ced4d2f422801ed22bf1cb5168dc09
Lockscreen Notifications: some fixes

Change-Id: I3ccd2c572dcecc12ea10bde294ad2806be5a2689
services: don't clear wallpaper when SystemUI
disconnects.

When we restart SystemUI (or the user), sometimes
the wallpaper would get cleared. This patch just
captures its originating component and
if that is our SystemUI component, ignore the event.

Change-Id: I3e159dc2c013e7d7e552e3c0cef55e3ab970ca87
Signed-off-by: Roman Birg <romanbirg@gmail.com>