[GPU] L0 doc update (#36585)

### Details:
 - Level-zero doc update for clarification

### AI Assistance:
 - *AI assistance used: yes*
 - sentence was improved with AI. Reviewed by the author.

Author: isanghao

src/plugins/intel_gpu/docs/gpu_plugin_with_level_zero.md

@@ -17,7 +17,9 @@ OpenVINO GPU plugin can be compiled with **experimental** Level Zero support. Wh
 3. Find what variant of stream is reported in the logs (`ze_stream` or `ocl_stream`)
     - Example output for Level Zero runtime: `ze_stream: [GPU] Created Level Zero stream`
 ### Without DEBUG_CAPS
-* You can check by which library is loaded.
-  * In Linux, use strace to check which so is loaded
-  * In Windows, you can use dependency walker
-* You can use clintercept to check whether it has OpenCL call or not.
+* Check which libraries are loaded at runtime.
+  * On Linux, use `strace` to confirm that Level Zero libraries are loaded.
+  * On Windows, use `Process Explorer` to confirm that Level Zero libraries are loaded.
+  * If you see Level Zero libraries such as `ze_loader.dll` and `ze_intel_gpu64.dll`, Level Zero is in use.
+* Use [clintercept](https://github.com/intel/opencl-intercept-layer/tree/main) to check whether any OpenCL calls are made.
+  * If no OpenCL calls appear, Level Zero is in use.