[llvm] [ORC] Add Executor Resolver Utility (PR #143654)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-lld-multistage-test` running on `ppc64le-lld-multistage-test` while building `llvm` at step 12 "build-stage2-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/168/builds/16530

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 12 (build-stage2-unified-tree) failure: build (failure) (timed out)
...
255.780 [6270/10/446] Linking CXX executable unittests/DebugInfo/CodeView/DebugInfoCodeViewTests
255.836 [6270/9/447] Linking CXX executable unittests/DebugInfo/MSF/DebugInfoMSFTests
255.859 [6270/8/448] Linking CXX executable unittests/Testing/ADT/TestingADTTests
255.910 [6270/7/449] Linking CXX executable unittests/FileCheck/FileCheckTests
255.940 [6270/6/450] Linking CXX executable unittests/Support/LSP/LLVMSupportLSPTests
255.940 [6270/5/451] Linking CXX executable unittests/Testing/Annotations/TestingAnnotationTests
256.014 [6270/4/452] Linking CXX executable unittests/Testing/Support/TestingSupportTests
256.175 [6270/3/453] Linking CXX executable unittests/Support/DynamicLibrary/DynamicLibraryTests
352.708 [6270/2/454] Building CXX object tools/clang/utils/TableGen/CMakeFiles/clang-tblgen.dir/ClangAttrEmitter.cpp.o
353.637 [6269/2/455] Linking CXX executable bin/clang-tblgen
command timed out: 1200 seconds without output running [b'ninja'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=1554.759593

```

</details>

https://github.com/llvm/llvm-project/pull/143654