Fix Skia render node projection to match HWUI. Port
FrameBuilderTests_projectionReorder test for Skia pipeline.
Add new tests in both HWUI and Skia to cover more projection
use cases.
Test: built and run on angler-eng
Change-Id: Ibf27af211452ae95d595aca7723ea63f48b0b282
Fix RenderNodeDrawable to draw nonzero Z nodes if not in a reordering
section.
Write an unit test modeled after FrameBuilder zReorder, which
verifies the bug fix.
Test: built and run unit tests on angler-eng.
bug: 32541103
Change-Id: Ifbf2d51f4432f5de3af4abe5987c2a72fed14185
Implement SkiaRecordingCanvas, RenderNodeDrawable, GLFunctorDrawable,
LayerDrawable, StartReorderBarrierDrawable, EndReorderBarrierDrawable.
Move AnimatedRoundRect and AnimatedCircle in a separate file.
All Skia pipeline files are moved in hwui/pipeline/skia folder.
Add unit tests for RenderNodeDrawable, StartReorderBarrierDrawable,
EndReorderBarrierDrawable and SkiaRecordingCanvas.
Test: I tested manually on 6P devices and did run the unit tests.
Change-Id: If2a347bd1fc4689953822294ce5bf98c7f3f57c7
