Add new sample for ray tracing position fetch (#1070) #54

Job	Run time
Build Ubuntu with Direct To Display	24m 9s
Build windows in Debug	43m 10s
Build Android in Debug	15m 42s
Build windows in Release	44m 18s
Build ios in Debug	17m 17s
Build ubuntu in Debug	27m 0s
Build ubuntu in Release	26m 23s
Build macos in Debug	12m 47s
Build macos in Release	13m 12s
	3h 43m 58s

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