[clang] [clang][AMDGPU] Fix -ast-print crash on expanded predicate builtins (PR #199963)

[via cfe-commits]

lijinpei-amd wrote:

@AlexVlx @yxsamliu @jhuber6
Would you please help me get the pr reviewed, thanks a lot~

https://github.com/llvm/llvm-project/pull/199963