msm8953-common: sepolicy: Restore camera_socket rules

Change-Id: Id6d617ead095ef4a0d37e0d8ee1996cd7f0b10bc

sepolicy/file.te

+# Camera
+type camera_socket, file_type, data_file_type;
+
 # Fingerprint
 type fpc_data_file, file_type, data_file_type;
 type fpce_socket, file_type;

sepolicy/file_contexts

+# Camera
+/data/camera(/.*)?                    u:object_r:camera_socket:s0
+
 # Fpc Fingerprint
 /data/fpc(/.*)?					u:object_r:fpc_data_file:s0
 /dev/socket/fpce(/.*)?				u:object_r:fpce_socket:s0

sepolicy/mm-qcamerad.te

 type_transition mm-qcamerad camera_data_file:sock_file camera_socket "cam_socket1";
 type_transition mm-qcamerad camera_data_file:sock_file camera_socket "cam_socket2";
+allow mm-qcamerad camera_socket:dir w_dir_perms;
 allow mm-qcamerad camera_socket:sock_file { create unlink write };
 allow mm-qcamerad sysfs_graphics:file r_file_perms;