Initial device side implementation for the sycl_ext_oneapi_async_memory_alloc extension (#16900)

Implement the
[sycl_ext_oneapi_async_memory_alloc](intel/llvm#14800)
extension for asynchronous memory allocation and freeing in CUDA, for
device allocated pools only.

SYCL entrypoints which specify host or shared side pools, or pools
created by pre-existing allocations will throw.

co-authored-by: Sean Stirling <sean.stirling@codeplay.com>
co-authored-by: Hugh Delaney <hugh.delaney@codeplay.com>

---------

Co-authored-by: Hugh Delaney <hugh.delaney@codeplay.com>
Co-authored-by: Nicolas Miller <nicolas.miller@codeplay.com>

Author: 3 people

include/ur_api.h

@@ -70,9 +70,9 @@ Functions
 * ${x}EnqueueUSMFreeExp
 * ${x}USMPoolCreateExp
 * ${x}USMPoolDestroyExp
-* ${x}USMPoolSetThresholdExp
 * ${x}USMPoolGetDefaultDevicePoolExp
 * ${x}USMPoolGetInfoExp
+* ${x}USMPoolSetInfoExp
 * ${x}USMPoolSetDevicePoolExp
 * ${x}USMPoolGetDevicePoolExp
 * ${x}USMPoolTrimToExp
@@ -94,6 +94,9 @@ Changelog
 |          | DEVICE_INFO_ASYNC_USM_ALLOCATIONS_SUPPORT_EXP for        |
 |          | better consistency with other UR enums                   |
 +----------+----------------------------------------------------------+
+| 1.3      | Remove USMPoolSetThresholdExp                            |
+|          | Replace with USMPoolSetInfoExp                           |
++----------+----------------------------------------------------------+
 
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