[llvm] [LLVM][DWARF] Change to consistently print out abbrev code. (PR #68353)

[David Blaikie via llvm-commits]

dwblaikie wrote:

Could you explain a bit more (maybe a simple example/comparison in the commit description would also be helpful) the motivation for this consistency? They look like they're printing out similarly enough already to be filecheck'd, etc?

https://github.com/llvm/llvm-project/pull/68353