* 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>
- Added a pause button in imgui cpu profiler.
- Added a capture button to save cpu profiling data to a data file.
- Added some profile marks in both RPI and RHI.