SamsungQualcommRIL: Add more validation of Signal Strength

Change-Id: I4b166543ba6898616c9e64a86ff65693f8e33f72
SamsungQualcommRil: reversed engineered implimentation of dial() from touchwiz

derived from Ricardo Ceq. and Tony Layher work.

Change-Id: Ie17762a5bce84791f85c98dfca88f576b2f5aeb9
Fix typo

Change-Id: Ia12ca4bd98c8f18a34af95b642e74196ea81fa19
Signed-off-by: Kevin Liu <airk908@gmail.com>
Allow tablets to send SMS if enabled in device overlays (2/2)

Change-Id: I30299d44eb59e89104b9b0b90be10da2a6ce62ac