add bools to overlay for Samsung CDMA SMS decoding hacks

ported from CM7/9/10/11

Change-Id: I28093cdb8770f98b94cedbff63e6121c798cf9af
merge changes from Omni 4.4 into local branch
Frameworks: Slim Shortcuts

PS2: Screenshot, Reboot, Last-App
PS3: Forgot earlier derp fixed elsewhere.
PS4: Clean-up
PS5: No change.  Create Dependant.
PS6: Fix blank activities sometimes.

Change-Id: I9c5e7dbdeaa727fca9a7317c3546ff9aa67ef4bf