libcamera: fix camera.

Change-Id: I8992ec58b0254c73075e5e1a7b08227958179c0e
libril: remove -lpthread to fix build.

Change-Id: I3b132ef20fb5d784a3335356393c739af2fbe415
Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_hardware_samsung into cm-12.0