0330: more telemetry pings

user.js

@@ -168,6 +168,8 @@ user_pref("toolkit.telemetry.cachedClientID", "");
 user_pref("toolkit.telemetry.newProfilePing.enabled", false); // (FF55+)
 user_pref("toolkit.telemetry.shutdownPingSender.enabled", false); // (FF55+)
 user_pref("toolkit.telemetry.updatePing.enabled", false); // (FF56+)
+user_pref("toolkit.telemetry.bhrPing.enabled", false); // (FF57+) Background Hang Reporter
+user_pref("toolkit.telemetry.firstShutdownPing.enabled", false); // (FF57+)
 /* 0333a: disable health report ***/
 user_pref("datareporting.healthreport.uploadEnabled", false);
 /* 0333b: disable about:healthreport page (which connects to Mozilla for locale/css+js+json)