msm8960-common: power: Manage io_is_busy for interactive governor

Change-Id: I83c2d1987a616d86443057a5c05fbbe5612754b2
msm8960: libril: handle HTC signal format in libril entirely

This allows all MSM8960/APQ8064 HTC devices to use the standard RIL.java
radio class.

Change-Id: I59af03b989c092f532d0d11a4779acf6e2aad04f
msm8960-common: ril: update libril from hardware/ril/libril

Change-Id: I39571d6ad8514845f6237ef73f7293e1da6d30e8