Fixed CronetHttpURLConnectionTest failure on Android N

components/cronet/android/java/src/org/chromium/net/CronetUrlRequestContext.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.content.Context;
 import android.os.Build;
 import android.os.ConditionVariable;
 import android.os.Handler;
@@ skipping 145 matching lines @@
         synchronized (mLock) {
             checkHaveAdapter();
             return new CronetBidirectionalStream(this, url, priority, callback, executor,
                     httpMethod, requestHeaders, disableAutoFlush,
                     delayRequestHeadersUntilFirstFlush);
         }
     }
 
     @Override
     public boolean isEnabled() {
-        return Build.VERSION.SDK_INT >= 14;
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH;
     }
 
     @Override
     public String getVersionString() {
         return "Cronet/" + Version.getVersion();
     }
 
     @Override
     public void shutdown() {
         synchronized (mLock) {
@@ skipping 400 matching lines @@
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeEnableNetworkQualityEstimator(long nativePtr);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeProvideRTTObservations(long nativePtr, boolean should);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeProvideThroughputObservations(long nativePtr, boolean should);
 }