8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp Reviewed-by: sla, rbackman
8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
Reviewed-by: sla, rbackman

wdv4758h/ZipPy,wdv4758h/ZipPy,wdv4758h/ZipPy,wdv4758h/ZipPy,wdv4758h/ZipPy,wdv4758h/ZipPy,wdv4758h/ZipPy,wdv4758h/ZipPy