[clangd] Bump vscode-clangd v0.0.16

CHANGELOG:
- detect C++ language based on some well-known file paths
- upgrade the lsp-client and lsp-server dependencies

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@366877 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed