NetworkController: Hide signal strength icon when no SIM icon is shown

Change-Id: I5c4b43bba1469e14474d20a3627eafa597459e6e
ISms.aidl: Add callingPkg to sendTextWithPriority.

Needed for Voice+ and SecureSMS, due to breakage caused by QCOM merge

Change-Id: I1871bc9e3f644b7b82f7da18f404921c237ec55c