Revert^2 "Rough-in license metadata support to make."

Changed shell script to /bin/sh syntax for portability to mac_os etc.

54066744

Test: m nothing

Bug: 180688789

Change-Id: Ibd472fc1bedfdc228a704108f0280b13ab1c9333
Merged-in: Ibd472fc1bedfdc228a704108f0280b13ab1c9333