[clang] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [NFCI][RTTI][Passes] Make the ID fields const char (PR #179970)

[Steffen Larsen via cfe-commits]

steffenlarsen wrote:

Apologies for the large number of touched files. If preferred it can be split up, though the changes are trivial. To begin with, I would like to first see if people agree with the changes though.

https://github.com/llvm/llvm-project/pull/179970