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

components/cronet/android/test/javatests/src/org/chromium/net/ExperimentalOptionsTest.java

 // Copyright 2016 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.support.test.filters.SmallTest;
 
 import org.json.JSONObject;
 
 import org.chromium.base.PathUtils;
 import org.chromium.base.test.util.Feature;
 
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileReader;
 
 /**
  * Tests for experimental options.
  */
 public class ExperimentalOptionsTest extends CronetTestBase {
-    private static final String TAG = "cr.QuicTest";
+    private static final String TAG = ExperimentalOptionsTest.class.getSimpleName();
     private CronetTestFramework mTestFramework;
     private ExperimentalCronetEngine.Builder mBuilder;
 
     @Override
     protected void setUp() throws Exception {
         super.setUp();
         System.loadLibrary("cronet_tests");
         mBuilder = new ExperimentalCronetEngine.Builder(getContext());
         CronetTestUtil.setMockCertVerifierForTesting(
                 mBuilder, QuicTestServer.createMockCertVerifier());
@@ skipping 44 matching lines @@
                 }
             }
         } finally {
             logReader.close();
         }
         assertTrue(validFile);
         assertTrue(file.delete());
         assertTrue(!file.exists());
     }
 }