[ADT] Move IsSizeLessThanThresholdT into AdjustedParamTBase (NFC)#159900

kazutakahirata merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

kazutakahirata:cleanup_20250919_10TMP_ADT_FunctionExtras_IsSizeLessThanThresholdTkazutakahirata/llvm-project:cleanup_20250919_10TMP_ADT_FunctionExtras_IsSizeLessThanThresholdTCopy head branch name to clipboard