Merge pull request square#3603 from square/yschimke-patch-1

Fix travis build

Author: JakeWharton

samples/guide/src/main/java/okhttp3/recipes/PrintEvents.java

@@ -87,7 +87,7 @@ private static final class PrintingEventListener extends EventListener {
     final long callId;
     final long callStartNanos;
 
-    public PrintingEventListener(long callId, long callStartNanos) {
+    PrintingEventListener(long callId, long callStartNanos) {
       this.callId = callId;
       this.callStartNanos = callStartNanos;
     }