* Add missing 'server' platform identifier for the ShaderBuilder
* Use the current host platform as the fallback platform identifier (and not 'pc')
Signed-off-by: Steve Pham <spham@amazon.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>