Bug 1225540 - follow-up: add alert_emails to urlbar histograms. rs=vladan

--HG--
extra : commitid : 10irbH7x1wh

toolkit/components/telemetry/Histograms.json

@@ -4424,6 +4424,7 @@
     "description": "Windows only. Counts occurrences of touch events"
   },
   "FX_URLBAR_SELECTED_RESULT_INDEX": {
+    "alert_emails": ["mbonardo@mozilla.com"],
     "expires_in_version": "50",
     "kind": "enumerated",
     "n_values": 17,
@@ -4431,6 +4432,7 @@
     "description": "Firefox: The index of the selected result in the URL bar popup"
   },
   "FX_URLBAR_SELECTED_RESULT_TYPE": {
+    "alert_emails": ["mbonardo@mozilla.com"],
     "expires_in_version": "never",
     "kind": "enumerated",
     "n_values": 14,