[L0] move disjoint pool config creation from common to usm

so that common can be easily used in unittests

Author: igchor

source/adapters/level_zero/common.cpp

@@ -66,9 +66,6 @@ ur_result_t ze2urResult(ze_result_t ZeResult) {
   }
 }
 
-usm::DisjointPoolAllConfigs DisjointPoolConfigInstance =
-    InitializeDisjointPoolConfig();
-
 // This function will ensure compatibility with both Linux and Windows for
 // setting environment variables.
 bool setEnvVar(const char *name, const char *value) {

source/adapters/level_zero/usm.cpp

@@ -21,6 +21,9 @@
 
 #include <umf_helpers.hpp>
 
+usm::DisjointPoolAllConfigs DisjointPoolConfigInstance =
+    InitializeDisjointPoolConfig();
+
 ur_result_t umf2urResult(umf_result_t umfResult) {
   if (umfResult == UMF_RESULT_SUCCESS)
     return UR_RESULT_SUCCESS;