Move Java Blimp shell code to app subpackage

blimp/client/app/android/java/src/org/chromium/blimp/app/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;
+package org.chromium.blimp.app.session;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
-import org.chromium.blimp.R;
+import org.chromium.blimp.app.R;
 import org.chromium.blimp_public.session.AssignmentRequestResult;
 import org.chromium.ui.base.WindowAndroid;
 
 import java.util.ArrayList;
 import java.util.List;
 
 /**
  * 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.
@@ skipping 158 matching lines @@
     public int[] getDebugStats() {
         if (mNativeBlimpClientSessionAndroidPtr == 0) return null;
         return nativeGetDebugInfo(mNativeBlimpClientSessionAndroidPtr);
     }
 
     private native long nativeInit(String assignerUrl, long windowAndroidPtr);
     private native void nativeConnect(long nativeBlimpClientSessionAndroid, String token);
     private native void nativeDestroy(long nativeBlimpClientSessionAndroid);
     private native int[] nativeGetDebugInfo(long nativeBlimpClientSessionAndroid);
 }