Specify which build version to use for building LLVM. Pin the LLVM commit to prevent these issues in the future.
Specify which build version to use for building LLVM. Pin the LLVM commit to prevent these issues in the future.

PiperOrigin-RevId: 480160323
Change-Id: I624d57f2a23fe57689c967e42d5a9eebe0e35083

google/atheris,google/atheris,google/atheris,google/atheris