Cross Reference: /external/grpc-grpc/test/core/tsi/alts

`Name`	`Date`	`Size`
Up to higher level directory
`crypt/`	22-Oct-2020
`fake_handshaker/`	22-Oct-2020
`frame_protector/`	22-Oct-2020
`handshaker/`	22-Oct-2020
`zero_copy_frame_protector/`	22-Oct-2020