Add Float16Scalar to test generator

Test: regenerated tests, nothing changed
Change-Id: I4da9103fd9be9f7b438dfcee24fa98c6191eb4de
Merged-In: I4da9103fd9be9f7b438dfcee24fa98c6191eb4de
(cherry picked from commit 24be0edf9443cf13709a5a327244ec2d12868ab1)
3 files changed