Bug 1425196 - Turn on the TLS1.3 early-data. r=mcmanus

modules/libpref/init/all.js

@@ -1776,7 +1776,7 @@ pref("network.http.altsvc.enabled", true);
 pref("network.http.altsvc.oe", true);
 
 // Turn on 0RTT data for TLS 1.3
-pref("security.tls.enable_0rtt_data", false);
+pref("security.tls.enable_0rtt_data", true);
 
 // the origin extension impacts h2 coalescing
 pref("network.http.originextension", true);