Don't retain device handle references in sanitizer layer.

Also use uint32_t for Debug value.

Author: aarongreig

source/loader/layers/sanitizer/asan_interceptor.cpp

@@ -708,8 +708,7 @@ ur_result_t SanitizerInterceptor::prepareLaunch(
         };
 
         // Write debug
-        // We use "uint64_t" here because EnqueueWriteGlobal will fail when it's "uint32_t"
-        uint64_t Debug = Options(logger).Debug ? 1 : 0;
+        uint32_t Debug = Options(logger).Debug ? 1 : 0;
         EnqueueWriteGlobal(kSPIR_AsanDebug, &Debug, sizeof(Debug));
 
         // Write shadow memory offset for global memory

source/loader/layers/sanitizer/asan_interceptor.hpp

@@ -45,17 +45,7 @@ struct DeviceInfo {
     std::queue<std::shared_ptr<AllocInfo>> Quarantine;
     size_t QuarantineSize = 0;
 
-    explicit DeviceInfo(ur_device_handle_t Device) : Handle(Device) {
-        [[maybe_unused]] auto Result =
-            getContext()->urDdiTable.Device.pfnRetain(Device);
-        assert(Result == UR_RESULT_SUCCESS);
-    }
-
-    ~DeviceInfo() {
-        [[maybe_unused]] auto Result =
-            getContext()->urDdiTable.Device.pfnRelease(Handle);
-        assert(Result == UR_RESULT_SUCCESS);
-    }
+    explicit DeviceInfo(ur_device_handle_t Device) : Handle(Device) {}
 
     ur_result_t allocShadowMemory(ur_context_handle_t Context);
 };