am df4cf297: redraw once more on a touch-up if we\'ve been dragging, so we can...

am df4cf297: redraw once more on a touch-up if we\'ve been dragging, so we can redraw in high-quality mode update dox on BlurMaskFilter

Merge commit 'df4cf297' into eclair-plus-aosp

* commit 'df4cf297':
  redraw once more on a touch-up if we've been dragging, so we can redraw in high-quality mode