[Cronet] Fix up log TAGs to be accurate and prevent future inaccuracies.

components/cronet/android/test/src/org/chromium/net/Http2TestServer.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.net;
 
 import android.content.Context;
 import android.os.ConditionVariable;
 
 import org.chromium.base.Log;
@@ skipping 22 matching lines @@
 import io.netty.handler.ssl.OpenSslServerContext;
 import io.netty.handler.ssl.SslContext;
 import io.netty.handler.ssl.SupportedCipherSuiteFilter;
 
 /**
  * Wrapper class to start a HTTP/2 test server.
  */
 public final class Http2TestServer {
     private static final ConditionVariable sBlock = new ConditionVariable();
     private static Channel sServerChannel;
-    private static final String TAG = "Http2TestServer";
+    private static final String TAG = Http2TestServer.class.getSimpleName();
 
     private static final String HOST = "127.0.0.1";
     // Server port.
     private static final int PORT = 8443;
 
     public static boolean shutdownHttp2TestServer() throws Exception {
         if (sServerChannel != null) {
             sServerChannel.close();
             sServerChannel = null;
             return true;
@@ skipping 116 matching lines @@
                 throws Exception {
             if (ApplicationProtocolNames.HTTP_2.equals(protocol)) {
                 ctx.pipeline().addLast(new Http2TestHandler.Builder().build());
                 return;
             }
 
             throw new IllegalStateException("unknown protocol: " + protocol);
         }
     }
 }