Merge commit 'e7c36dda7ada30e02f3aa9d75f282a53402aeae7'
* commit 'e7c36dda7ada30e02f3aa9d75f282a53402aeae7':
Add new orientation attribute to GestureOverlayView. This can be used to prevent the overlay from interfering with vertically/horizontally scrolling views underneath the overlay.