Prefer /usr/bin/env xxx over /usr/bin/xxx where xxx = perl, python, awk

Allow users to use a non-system version of perl, python and awk, which is useful
in certain package managers.

Reviewed By: JDevlieghere, MaskRay

Differential Revision: https://reviews.llvm.org/D95119

GitOrigin-RevId: a54f160b3a98b91cd241a555d904a6b6453affc4
1 file changed