[Cronet] Separate Cronet implementation and API by package name.

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

 // Copyright 2014 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.os.ConditionVariable;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
+import org.chromium.net.impl.ChromiumUrlRequestFactory;
+import org.chromium.net.impl.CronetUrlRequest;
+import org.chromium.net.impl.CronetUrlRequestContext;
 
 /**
  * Utilities for Cronet testing
  */
 @JNINamespace("cronet")
 public class CronetTestUtil {
     private static final ConditionVariable sHostResolverBlock = new ConditionVariable();
 
     /**
      * Registers customized DNS mapping for testing host names used by test servers, namely:
@@ skipping 38 matching lines @@
     @CalledByNative
     private static void onHostResolverProcRegistered() {
         sHostResolverBlock.open();
     }
 
     private static native void nativeRegisterHostResolverProc(
             long contextAdapter, boolean isLegacyAPI, String destination);
 
     private static native int nativeGetLoadFlags(long urlRequest);
 }