MediaRecorder: add pause interface

--add pause in java level
--add pause in jni level

Change-Id: I7f2d5d5ebb97716458b55a5780fd6cc3d09e9f11
Cleanup and improve ringer tile code.

Handle absence of vibrator properly by excluding the respective modes
from the selection in that case.

Change-Id: I63d1fc06cbbcadadff51866b929dde453f4eb4bd
Frameworks : Fix face detection

I337a7a2e8b124aac76f52abcc0edd8af9b0b0e29 introduced
the ifdef's at the wrong location. This patchset addresses it.

Change-Id: I6b19fb96076bdc62b2ca57d1ccaf97f0cb901d67