add another null check to globalactions

Change-Id: Ic91e44298288932e5004bd21ba35be44b64dc164
FW: Lockscreen rework WIP

The frameworks side of trhese rework is basiclly adding
Lockscreen targets and removing unneeded and used variable left
in by google.

Patchset 2: fixed landscape issues with phones

Patchset 3: Added null check for uninstalled apps.
            Add some logic for padding if the 6-8 targets are used.

Change-Id: Ic9a4b4f85c674dc9d4097541d447723e2dd47956
LongClick == Reboot via pm.reboot()

Change-Id: Ic92c31a2ce5d972d49bddf4ed452049d8375edbe