MediaRecorder: add pause interface

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

Change-Id: I7f2d5d5ebb97716458b55a5780fd6cc3d09e9f11
Frameworks : Fix face detection

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

Change-Id: I6b19fb96076bdc62b2ca57d1ccaf97f0cb901d67
Merge remote-tracking branch 'cm/cm-10.2' into cm-10.2
Merge remote-tracking branch 'sgt7/cm-10.2' into cm-10.2-sgt7