Revert "Revert "Revert "Remove key migration related changes"""

This reverts commit 82c4d9b474524d3879c45b9a0e0538e49ac5fedf.

Reason for revert: b/235140708

Change-Id: Ifd14bcf4480c74b81602c16723efebef7aad10bd
diff --git a/private/system_server.te b/private/system_server.te
index 06cc055..e77ba5d 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -957,7 +957,9 @@
 	clear_ns
 	clear_uid
 	get_state
+	list
 	lock
+	migrate_any_key
 	pull_metrics
 	reset
 	unlock