* Started updating ray tracing samples to KHR extension
* Updated GLSL shaders to use GL_EXT_ray_tracing
* Code cleanup, naming
* Fix include directories to use Vulkan headers from repository instead of NDK for the Android build
* Added new Android function pointers
* Renamed basic ray tracing sample
Added android build files
* Remove unused batch file
* Replaced remaining NV identifiers
* Updating ray tracing shadow sample to KHR extension
* Updated shaders to use KHR instead of NV extension
Fixed shader bindings
* Updating ray tracing reflections sample to KHR extension
* Renamed ray tracing reflections sample
* Renamed ray tracing shadows sample
Added android build files
* Removed no-longer used batch files for shader generation
* Proper alignment for the shader binding table
* Updated readme
* Reworked shader group setup
* Cleanup
* Reworked shader group setup
* Reworked shader group setup
* Code cleanup
Move `data/shaders` to `data/shaders/glsl`
Move `data/hlsl` to `data/shaders/hlsl`
Fix up shader paths in the cpp files to point to the new glsl location.
`data/shaders/hlsl/compile.py` still overwrites the glsl .spv files (for
now).
Issue: #723