Grant GPU access to cameraserver

... which will be needed for Cuttlefish with Minigbm
Gralloc 4.

Bug: b/146515640
Test: cts -m CtsCameraTestCases
Change-Id: Id98675901e5e16dd58692d9857ed7e3963489b38
diff --git a/shared/sepolicy/vendor/cameraserver.te b/shared/sepolicy/vendor/cameraserver.te
index 240026b..94146e1 100644
--- a/shared/sepolicy/vendor/cameraserver.te
+++ b/shared/sepolicy/vendor/cameraserver.te
@@ -1,2 +1,4 @@
 # Read GCE initial metadata file
 allow cameraserver initial_metadata_file:file r_file_perms;
+
+gpu_access(cameraserver)