[CL] Add UR handles to OpenCL adapter #265

Job	Run time
macOS / Build (macos-13)	4m 53s
Level Zero / Build & CTS (L0, OFF, OFF, Release, gcc, g++)	6m 55s
Level Zero static / Build & CTS (L0, ON, ON, Release, gcc, g++)	6m 56s
Level Zero V2 / Build & CTS (L0_V2, OFF, OFF, Release, gcc, g++)	6m 35s
Source Checks / source-checks (ubuntu-22.04)	8m 14s
Source Checks / source-checks (windows-2022)	13m 54s
Level Zero + Native CPU (Loader) / Build & CTS (L0, NATIVE_CPU, OFF, OFF, Release, gcc, g++)	7m 9s
OpenCL + Native CPU (Loader) / Build & CTS (OPENCL, NATIVE_CPU, OPENCL:Intel(R) OpenCL, OFF, OFF, Release, gcc, g++)	3m 0s
CUDA / Build & CTS (CUDA, OFF, OFF, Release, gcc, g++)	2m 8s
HIP / Build & CTS (HIP, OFF, OFF, Release, gcc, g++)	13m 29s
Native CPU / Build & CTS (NATIVE_CPU, OFF, OFF, Release, gcc, g++)	2m 10s
OpenCL / Build & CTS (OPENCL, Intel(R) OpenCL, OFF, OFF, Release, gcc, g++)	2m 22s
	1h 17m 45s

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