* Final update copyright headers to reference license files at the repo root
Signed-off-by: spham <spham@amazon.com>
* Fix copyright validator unit tests to support the stale O3DE header scenario
Signed-off-by: spham <spham@amazon.com>
* Move Draw2d.h to Include folder
* Initial phase of UI Canvas Editor rendering with Atom
* Simplify Draw2d by removing BeginDraw2d/EndDraw2d which is no longer needed
* Fix compile errors for non-unity builds