tree 54712bf1bb73208450ea330689c5bd22a7ec0278
parent eea49f4076446f9854ce5c3059b8fb24aeb64162
author davg <davg@google.com> 1520531356 -0500
committer David Goldman <davg@google.com> 1521066594 -0400

Use copts instead of swift_version attr

swift_version attr is being deprecated in favor of:
1) Explicitly specifying via flag in copts attr
2) Using the default value for the active Xcode

PiperOrigin-RevId: 188345409