SWDEV-286346 - Implement Arena Memory Object for externally created memory.

Change-Id: I8530602d89edf83ad367c52167e48a1559ee1e18

rocclr/device/device.cpp

@@ -443,6 +443,7 @@ Device::Device()
       blitProgram_(nullptr),
       hwDebugMgr_(nullptr),
       context_(nullptr),
+      arena_mem_obj_(nullptr),
       vaCacheAccess_(nullptr),
       vaCacheMap_(nullptr),
       index_(0) {
@@ -459,6 +460,10 @@ Device::~Device() {
     delete vaCacheAccess_;
   }
 
+  if (arena_mem_obj_ != nullptr) {
+    arena_mem_obj_->release();
+  }
+
   // Destroy device settings
   if (settings_ != nullptr) {
     delete settings_;