Policy for virtual_camera native service

Change-Id: Id0c582f9259ffd056b22f111d7e81bc061c2371d
diff --git a/private/cameraserver.te b/private/cameraserver.te
index 96d7dbd..76ffba6 100644
--- a/private/cameraserver.te
+++ b/private/cameraserver.te
@@ -7,3 +7,4 @@
 
 allow cameraserver gpu_device:chr_file rw_file_perms;
 allow cameraserver gpu_device:dir r_dir_perms;
+allow cameraserver virtual_camera:binder call;