Simplify cuda_async_view_memory_resource constructor (#2055)

This replaces a check for async pool support with an equivalent utility function.

Authors:
  - Bradley Dice (https://github.com/bdice)

Approvers:
  - Mark Harris (https://github.com/harrism)
  - Nghia Truong (https://github.com/ttnghia)

URL: #2055

Author: bdice

cpp/include/rmm/mr/device/cuda_async_view_memory_resource.hpp

@@ -57,11 +57,7 @@ class cuda_async_view_memory_resource final : public device_memory_resource {
       }()}
   {
     // Check if cudaMallocAsync Memory pool supported
-    auto const device = rmm::get_current_cuda_device();
-    int cuda_pool_supported{};
-    auto result =
-      cudaDeviceGetAttribute(&cuda_pool_supported, cudaDevAttrMemoryPoolsSupported, device.value());
-    RMM_EXPECTS(result == cudaSuccess && cuda_pool_supported,
+    RMM_EXPECTS(rmm::detail::runtime_async_alloc::is_supported(),
                 "cudaMallocAsync not supported with this CUDA driver/runtime version");
   }