Add metrics for toll-free/travel-abroad buttons in Settings

Bug: 29105266
Change-Id: I44cf2bdc3b01d0755e0305e8c26e6bf871ae9d52
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index a82d55f..1fb9642 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -2358,6 +2358,15 @@
     // ACTION: Settings -> Support -> Phone/Chat -> Disclaimer OK
     ACTION_SUPPORT_DISCLAIMER_OK = 484;
 
+    // ACTION: Settings -> Support -> Toll-Free Phone
+    ACTION_SUPPORT_DAIL_TOLLFREE = 485;
+
+    // ACTION: Settings -> Support -> "Travel Abroad" Button
+    ACTION_SUPPORT_VIEW_TRAVEL_ABROAD_DIALOG = 486;
+
+    // ACTION: Settings -> Support -> "Travel Abroad" Button -> Tolled Phone
+    ACTION_SUPPORT_DIAL_TOLLED = 487;
+
     // ---- End N-MR1 Constants, all N-MR1 constants go above this line ----
     // Add new aosp constants above this line.
     // END OF AOSP CONSTANTS