Romain Guy 7d70fbf0b5 Use OpenGL to render transition bitmaps.
When the IME is opened/dismissed, ViewAncestor would draw the
view hierarchy into a Bitmap, using the software rendering
pipeline. With this change, ViewAncestor will now use OpenGL.

Change-Id: I69e24570e12ff55f6f3cec18a664b33410a0eaf4
2011-05-25 11:13:19 -07:00
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