Fix build breakage.

Bug: 22405482
Change-Id: I8fc522885801e9735544ec3820c8fdd4a4368d71
diff --git a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
index 01ee18b..9f0153a 100644
--- a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
+++ b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
@@ -19,6 +19,7 @@
 import android.graphics.Point;
 import android.graphics.Rect;
 import com.android.internal.app.IAssistScreenshotReceiver;
+import com.android.internal.os.IResultReceiver;
 import com.android.internal.view.IInputContext;
 import com.android.internal.view.IInputMethodClient;
 
@@ -550,4 +551,8 @@
     public void setResizeDimLayer(boolean visible, int targetStackId, float alpha)
             throws RemoteException {
     }
+
+    @Override
+    public void requestAppKeyboardShortcuts(IResultReceiver receiver) throws RemoteException {
+    }
 }