-Wl,-read_only_relocs,suppress is required for libart to build to
avoid the error:
ld: illegal text-relocation to '__ZN3art7Runtime9instance_E' in out/soong/.intermediates/art/runtime/libart/darwin_x86_static/obj/art/runtime/runtime.o from '_art_quick_throw_null_pointer_exception' in out/soong/.intermediates/art/runtime/libart/darwin_x86_static/obj/art/runtime/arch/x86/quick_entrypoints_x86.o for architecture i386
Change-Id: Id9a0fda1dbf12a254f92419a21e5f290895ea62c