Mojo EDK: Introduce MojoQueryHandleSignalsState API

mojo/android/javatests/src/org/chromium/mojo/bindings/RouterTest.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.mojo.bindings;
 
 import android.support.test.filters.SmallTest;
 
 import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.mojo.MojoTestCase;
 import org.chromium.mojo.bindings.BindingsTestUtils.CapturingErrorHandler;
 import org.chromium.mojo.bindings.BindingsTestUtils.RecordingMessageReceiverWithResponder;
 import org.chromium.mojo.system.Core;
 import org.chromium.mojo.system.Core.HandleSignals;
-import org.chromium.mojo.system.Core.WaitResult;
 import org.chromium.mojo.system.Handle;
 import org.chromium.mojo.system.MessagePipeHandle;
 import org.chromium.mojo.system.MojoResult;
 import org.chromium.mojo.system.Pair;
 import org.chromium.mojo.system.ResultAnd;
 import org.chromium.mojo.system.impl.CoreImpl;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 
@@ skipping 194 matching lines @@
 
         // Clear the MessageReciever so that the ResponderThunk will
         // be finalized. Since the RespondeThunk was never used, this
         // should close the pipe.
         clearAllMessageReceivers();
         // The close() occurs asynchronously on this thread.
         runLoopUntilIdle();
 
         // Confirm that the pipe was closed on the Router side.
         HandleSignals closedFlag = HandleSignals.none().setPeerClosed(true);
-        WaitResult result = mHandle.wait(closedFlag, 0);
-        assertEquals(MojoResult.OK, result.getMojoResult());
-        assertEquals(closedFlag, result.getHandleSignalsState().getSatisfiedSignals());
+        assertEquals(closedFlag, mHandle.querySignalsState().getSatisfiedSignals());
     }
 }