selinux: Update policies for cameraserver

Update policies for cameraserver so it has the same permissions
as mediaserver.

Bug: 24511454
Change-Id: I1191e2ac36c00b942282f8dc3db9903551945adb
diff --git a/service_contexts b/service_contexts
index d570371..972718a 100644
--- a/service_contexts
+++ b/service_contexts
@@ -63,7 +63,7 @@
 lock_settings                             u:object_r:lock_settings_service:s0
 media.audio_flinger                       u:object_r:audioserver_service:s0
 media.audio_policy                        u:object_r:audioserver_service:s0
-media.camera                              u:object_r:mediaserver_service:s0
+media.camera                              u:object_r:cameraserver_service:s0
 media.camera.proxy                        u:object_r:cameraproxy_service:s0
 media.log                                 u:object_r:audioserver_service:s0
 media.player                              u:object_r:mediaserver_service:s0