Fix syscall generator to add cfi directives and add the directives for all arm64 assembler. Bug: 15138290 Change-Id: I7f0e4a16c141ac624e5276917a3a1ed45778e057
Rename aarch64 build targets to arm64. The gcc toolchain is still aarch64. Change-Id: Ia92d8a50824e5329cf00fd6f4f92eae112b7f3a3