Fixed a couple issue like palettized files would not load, and stripping alpha was not affecting the color type reported by libpng. Also cleaned up some error reporting.
Added AzFramework to Atom/Utils tests to support PngFile testing.
Signed-off-by: santorac <55155825+santorac@users.noreply.github.com>
* 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>
santorac
Steve Pham
alexpete