[NFC][OpenMP] Claim OMPT device tracing (#153411)

Planning to start upstreaming our implementation soon.

Author: jplehr

clang/docs/OpenMPSupport.rst

@@ -338,7 +338,7 @@ implementation.
 +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+
 | OMPT                         | new 'emi' callbacks for external monitoring interfaces       | :good:`done`             |                                                                       |
 +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+
-| OMPT                         | device tracing interface                                     | :none:`unclaimed`        |                                                                       |
+| OMPT                         | device tracing interface                                     | :none:`in progress`      | jplehr                                                                |
 +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+
 | task                         | 'strict' modifier for taskloop construct                     | :none:`unclaimed`        |                                                                       |
 +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+