[Blimp client] Move client code into blimp::client namespace

blimp/client/android/java/src/org/chromium/blimp/session/BlimpClientSession.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.blimp.session;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 
 /**
  * The Java representation of a native BlimpClientSession.  This is primarily used to provide access
  * to the native session methods and to facilitate passing a BlimpClientSession object between Java
  * classes with native counterparts.
  */
-@JNINamespace("blimp")
+@JNINamespace("blimp::client")
 public class BlimpClientSession {
     private long mNativeBlimpClientSessionAndroidPtr;
 
     public BlimpClientSession() {
         mNativeBlimpClientSessionAndroidPtr = nativeInit();
     }
 
     /**
      * Destroys the native BlimpClientSession.  This class should not be used after this is called.
      */
     public void destroy() {
         if (mNativeBlimpClientSessionAndroidPtr == 0) return;
 
         nativeDestroy(mNativeBlimpClientSessionAndroidPtr);
         mNativeBlimpClientSessionAndroidPtr = 0;
     }
 
     // Methods that are called by native via JNI.
     @CalledByNative
     private long getNativePtr() {
         assert mNativeBlimpClientSessionAndroidPtr != 0;
         return mNativeBlimpClientSessionAndroidPtr;
     }
 
     private native long nativeInit();
     private native void nativeDestroy(long nativeBlimpClientSessionAndroid);
-}
+}