[SYCL] move usm_allocator to UR (#7820)

It will be shared by the level zero plugin and UR adapters.

Author: igchor

sycl/plugins/level_zero/CMakeLists.txt

@@ -81,13 +81,13 @@ add_sycl_plugin(level_zero
     "../unified_runtime/pi2ur.cpp"
     "../unified_runtime/ur/ur.hpp"
     "../unified_runtime/ur/ur.cpp"
+    "../unified_runtime/ur/usm_allocator.cpp"
+    "../unified_runtime/ur/usm_allocator.hpp"
     "../unified_runtime/ur/adapters/level_zero/ur_level_zero.hpp"
     "../unified_runtime/ur/adapters/level_zero/ur_level_zero.cpp"
     # Following are the PI Level-Zero Plugin only codes.
     "pi_level_zero.cpp"
     "pi_level_zero.hpp"
-    "usm_allocator.cpp"
-    "usm_allocator.hpp"
     "tracing.cpp"
     ${XPTI_PROXY_SRC}
   INCLUDE_DIRS

sycl/plugins/level_zero/pi_level_zero.cpp

@@ -27,7 +27,6 @@
 #include <zet_api.h>
 
 #include "ur_bindings.hpp"
-#include "usm_allocator.hpp"
 
 extern "C" {
 // Forward declarartions.

sycl/plugins/level_zero/pi_level_zero.hpp

@@ -49,8 +49,7 @@
 // Share code between this PI L0 Plugin and UR L0 Adapter
 #include <pi2ur.hpp>
 #include <ur/adapters/level_zero/ur_level_zero.hpp>
-
-#include "usm_allocator.hpp"
+#include <ur/usm_allocator.hpp>
 
 template <class To, class From> To pi_cast(From Value) {
   // TODO: see if more sanity checks are possible.

sycl/plugins/unified_runtime/CMakeLists.txt

@@ -47,6 +47,8 @@ add_sycl_plugin(unified_runtime
     "ur/ur.cpp"
     "ur/adapters/level_zero/ur_level_zero.hpp"
     "ur/adapters/level_zero/ur_level_zero.cpp"
+    "ur/usm_allocator.hpp"
+    "ur/usm_allocator.cpp"
     # These below belong to Unified Runtime PI Plugin only
     "pi_unified_runtime.hpp"
     "pi_unified_runtime.cpp"