SF Bounds caching 2/3: Compute and cache layer bounds during invalidate stage

- Compute and cache:
   - effective transform - transform applied to source bounds to get the screen bounds,
     taking into account parent scaling and parent transforms.
   - source bounds - bounds of the layer before any transformation is applied and before
      it has been cropped by its parents.
   - bounds - bounds of the layer cropped to its own crop as well as its parents bounds.
   - screen bounds - bounds in screen space calculated by transforming the layer bounds.
- Rename existing computeBounds and computeScreenBounds to make switch easier in
  future patch.
- Update cached bounds when reparenting layers for screenshots.
Note: this change doesn't use the cached values.

Test: go/wm-smoke
Test: atest -a libinput_tests inputflinger_tests SurfaceFlinger_test libsurfaceflinger_unittest SurfaceParcelable_test libgui_test
Change-Id: I5d6ec6fd4acb0f955de27b713691ed99b029dcc2
diff --git a/services/surfaceflinger/tests/unittests/CompositionTest.cpp b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
index ee79c18..3fb8708 100644
--- a/services/surfaceflinger/tests/unittests/CompositionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
@@ -746,7 +746,7 @@
         layerDrawingState.active.h = 100;
         layerDrawingState.color = half4(LayerProperties::COLOR[0], LayerProperties::COLOR[1],
                                         LayerProperties::COLOR[2], LayerProperties::COLOR[3]);
-
+        layer->computeBounds(FloatRect(0, 0, 100, 100), ui::Transform());
         layer->setVisibleRegion(Region(Rect(0, 0, 100, 100)));
 
         return layer;