stub some APIs for Flappy Bird, mostly webview related

src/api-impl/android/gesture/GestureOverlayView.java

@@ -0,0 +1,27 @@
+package android.gesture;
+
+import android.content.Context;
+import android.view.ViewGroup;
+
+public class GestureOverlayView extends ViewGroup {
+
+    public GestureOverlayView(Context context) {
+    }
+
+    public void setGestureStrokeType(int type) {
+    }
+
+    public void setEventsInterceptionEnabled(boolean enabled) {
+    }
+
+    public void setGestureVisible(boolean enabled) {
+    }
+
+    public void addOnGesturePerformedListener(OnGesturePerformedListener listener) {
+    }
+
+    public interface OnGesturePerformedListener {
+
+    }
+    
+}