Add new appOps to track the behavior of VPN app

Bug: 197135981
Test: TH
Change-Id: I0b020685414762b51e91e5af4b7cb7dce95654b4
diff --git a/stats/enums/app/enums.proto b/stats/enums/app/enums.proto
index bda2865..2344242 100644
--- a/stats/enums/app/enums.proto
+++ b/stats/enums/app/enums.proto
@@ -224,6 +224,8 @@
     APP_OP_BLUETOOTH_ADVERTISE = 114;
     APP_OP_RECORD_INCOMING_PHONE_AUDIO = 115;
     APP_OP_NEARBY_WIFI_DEVICES = 116;
+    APP_OP_ESTABLISH_VPN_SERVICE = 117;
+    APP_OP_ESTABLISH_VPN_MANAGER = 118;
 }
 
 /**