Revert "Revert "camera: Hold 25 msec between preview cycles on restart""

This reverts commit e605a39a96a33dcc21250e26cd80268a9ad8e4c5.
Revert "Revert "smdk4412-common: camera: implement CAMERA_MSG_FOCUS_MOVE to report CAF""

This reverts commit 588188d03ba9c0cb9367bfb7f19bad1f5a95b7e9.