intergrate clang tools

[jiangyinzuo]

clang-14                      clang-cpp.exe                 clang-move-16                 clang-reorder-fields.exe
clang-15                      clang-doc-16                  clang-move.exe                clang-repl-16
clang-16                      clang-doc.exe                 clang-offload-bundler-16      clang-repl.exe
clang-apply-replacements-16   clang-extdef-mapping-16       clang-offload-bundler.exe     clang-scan-deps-16
clang-apply-replacements.exe  clang-extdef-mapping.exe      clang-offload-packager-16     clang-scan-deps.exe
clang-change-namespace-16     clang-format                  clang-offload-wrapper.exe     clang-tblgen-16
clang-change-namespace.exe    clang-format-16               clang-pseudo-16               clang-tidy
clang-check-16                clang-format-diff             clang-query-16                clang-tidy-16
clang-check.exe               clang-format-diff-16          clang-query.exe               clang-tidy-diff
clang-cl-16                   clang-format.exe              clang-refactor-16             clang-tidy-diff-16.py
clang-cl.exe                  clang-include-cleaner-16      clang-refactor.exe            clang-tidy.exe
clang-cpp-14                  clang-include-fixer-16        clang-rename-16
clang-cpp-15                  clang-include-fixer.exe       clang-rename.exe
clang-cpp-16                  clang-linker-wrapper-16       clang-reorder-fields-16

clang-change-namespace: (do not forget // namespace foo)
https://reviews.llvm.org/D24183