camera: Sepolicy changes for enabling laser device access.

Add read/ write permission for sensor persist files.
Add read permission for hal_camera process so that
it can access device files from /dev/input.
Add permissions to access Isensormanager for camera.

CRs-Fixed: 2065224

Change-Id: I64a10b316c43f37a74e94c79db256413d6bcf0fc