Allow system reset_uid, sync_uid, password_uid

Permits the system server to change keystore passwords for users other
than primary.

(cherrypicked from commit de08be8aa006c313e5025ba5f032abf786a39f71)

Bug: 16233206
Change-Id: I7941707ca66ac25bd122fd22e5e0f639e7af697e
diff --git a/access_vectors b/access_vectors
index 659fb36..320a1c8 100644
--- a/access_vectors
+++ b/access_vectors
@@ -914,6 +914,9 @@
 	grant
 	duplicate
 	clear_uid
+	reset_uid
+	sync_uid
+	password_uid
 }
 
 class debuggerd
diff --git a/system_server.te b/system_server.te
index 0068378..438d09d 100644
--- a/system_server.te
+++ b/system_server.te
@@ -381,6 +381,9 @@
 	grant
 	duplicate
 	clear_uid
+	reset_uid
+	sync_uid
+	password_uid
 };
 
 # Allow system server to search and write to the persistent data block device