Update to do chmod on files after copy. Add read for non ELF files. (#38111)
Update to do chmod on files after copy. Add read for non ELF files. (#38111)

* Update to do chmod on files after copy. Add read for non ELF files.

* Fix missing chmods and add recursion for directories
istio/istio,istio/istio,istio/istio,istio/istio,istio/istio