am e7c36dda: Add new orientation attribute to GestureOverlayView. This can be used to prevent the overlay from interfering with vertically/horizontally scrolling views underneath the overlay.

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.