kitakami-common: sepolicy: Minor changes.

Change-Id: Ib4caf3d02a2ff2fc9cccdbb1832152e867c0286f

sepolicy/vendor/logd.te

+allow logd unlabeled:dir r_dir_perms;

sepolicy/vendor/vold.te

 allow vold diag_data_file:dir r_dir_perms;
 allow vold firmware_file:dir search;
 allow vold firmware_file:file r_file_perms;
+allow vold hal_bootctl_hwservice:hwservice_manager find;
 allow vold tee_prop:file r_file_perms;