Following the same approach as cloth plugin, which is to ask if the system component of the gem is available (in this case PhysX::SystemComponent).
Fixes#2540
Signed-off-by: moraaar moraaar@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>