retain context in queue/command buffer

Author: igchor

unified-runtime/source/adapters/level_zero/v2/queue_immediate_out_of_order.cpp

@@ -41,6 +41,8 @@ ur_queue_immediate_out_of_order_t::ur_queue_immediate_out_of_order_t(
   for (size_t i = 0; i < numCommandLists; i++) {
     barrierEvents[i] = eventPool->allocate();
   }
+
+  ur::level_zero::urContextRetain(hContext);
 }
 
 ur_result_t ur_queue_immediate_out_of_order_t::queueGetInfo(
@@ -132,6 +134,8 @@ ur_queue_immediate_out_of_order_t::~ur_queue_immediate_out_of_order_t() {
     for (size_t i = 0; i < numCommandLists; i++) {
       barrierEvents[i]->release();
     }
+
+    ur::level_zero::urContextRelease(hContext);
   } catch (...) {
     // Ignore errors during destruction
   }