[SYCL] Make queue::device_has() private (#5670)

The function is not defined by the specification, and was marked as public by mistake.

Author: sergei

sycl/include/CL/sycl/queue.hpp

@@ -237,6 +237,7 @@ class __SYCL_EXPORT queue {
   template <info::queue param>
   typename info::param_traits<info::queue, param>::return_type get_info() const;
 
+private:
   // A shorthand for `get_device().has()' which is expected to be a bit quicker
   // than the long version
   bool device_has(aspect Aspect) const;

sycl/test/abi/sycl_symbols_windows.dump

@@ -1690,7 +1690,7 @@
 ?depends_on@handler@sycl@cl@@QEAAXVevent@23@@Z
 ?destructorNotification@buffer_impl@detail@sycl@cl@@QEAAXPEAX@Z
 ?determineHostPtr@SYCLMemObjT@detail@sycl@cl@@IEAAXAEBV?$shared_ptr@Vcontext_impl@detail@sycl@cl@@@std@@_NAEAPEAXAEA_N@Z
-?device_has@queue@sycl@cl@@QEBA_NW4aspect@23@@Z
+?device_has@queue@sycl@cl@@AEBA_NW4aspect@23@@Z
 ?die@pi@detail@sycl@cl@@YAXPEBD@Z
 ?discard_or_return@queue@sycl@cl@@AEAA?AVevent@23@AEBV423@@Z
 ?distance@__host_std@cl@@YA?AVhalf@half_impl@detail@sycl@2@V34562@0@Z