Revert of Mojo EDK: Introduce MojoQueryHandleSignalsState API

mojo/android/system/src/org/chromium/mojo/system/impl/HandleBase.java

Index: mojo/android/system/src/org/chromium/mojo/system/impl/HandleBase.java
diff --git a/mojo/android/system/src/org/chromium/mojo/system/impl/HandleBase.java b/mojo/android/system/src/org/chromium/mojo/system/impl/HandleBase.java
index 4d149a48d715d43134f1aef09a0624f4fb4021bf..a8870a8bc5efef06b070bcabe40a0d32724590cf 100644
--- a/mojo/android/system/src/org/chromium/mojo/system/impl/HandleBase.java
+++ b/mojo/android/system/src/org/chromium/mojo/system/impl/HandleBase.java
@@ -7,7 +7,8 @@
 import android.util.Log;
 
 import org.chromium.mojo.system.Core;
-import org.chromium.mojo.system.Core.HandleSignalsState;
+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.UntypedHandle;
 
@@ -62,11 +63,11 @@
     }
 
     /**
-     * @see org.chromium.mojo.system.Handle#querySignalsState()
+     * @see org.chromium.mojo.system.Handle#wait(HandleSignals, long)
      */
     @Override
-    public HandleSignalsState querySignalsState() {
-        return mCore.queryHandleSignalsState(mMojoHandle);
+    public WaitResult wait(HandleSignals signals, long deadline) {
+        return mCore.wait(this, signals, deadline);
     }
 
     /**