Merge pull request #3060 from vanniktech/remove_synth_methods

Remove creation of synthetic accessor method.

okhttp/src/main/java/okhttp3/internal/ws/RealWebSocket.java

@@ -495,12 +495,15 @@ public final class RealWebSocket implements WebSocket, WebSocketReader.FrameCall
   }
 
   private final class PingRunnable implements Runnable {
+    PingRunnable() {
+    }
+
     @Override public void run() {
       writePingFrame();
     }
   }
 
-  private void writePingFrame() {
+  void writePingFrame() {
     WebSocketWriter writer;
     synchronized (this) {
       if (failed) return;