drm_hwcomposer: Enable and refactor Separate Rects test

Plumb through the existing test based on known sample data for the
Separate Rect algorithm via Android's NATIVE_TEST harness.

Signed-off-by: Rhys Kidd <rhyskidd@gmail.com>
Signed-off-by: Robert Foss <robert.foss@collabora.com>
3 files changed