Add message number constants matching DeleteUser and DeleteAllUsers am: 54897993b0 am: 06214b6d10 am: d946c6bd1d am: c68a77f8f7

Original change: https://android-review.googlesource.com/c/platform/system/gatekeeper/+/1838044

Change-Id: I236c24c6fa4b02313ec082f6e7fff9b4541d1a7e
diff --git a/include/gatekeeper/gatekeeper_messages.h b/include/gatekeeper/gatekeeper_messages.h
index ec33f18..59f419c 100644
--- a/include/gatekeeper/gatekeeper_messages.h
+++ b/include/gatekeeper/gatekeeper_messages.h
@@ -29,6 +29,8 @@
 
 const uint32_t ENROLL = 0;
 const uint32_t VERIFY = 1;
+const uint32_t DELETE_USER = 2;
+const uint32_t DELETE_ALL_USERS = 3;
 
 typedef enum {
     ERROR_NONE = 0,