tree cf6028a2df696f8e19d5af7c9c3328cfb3d32a82
parent 25e37eeb89bc2312b5cf3008d08faa31c47a0547
author Aaron Zinman <aaron@azinman.com> 1469232781 -0700
committer Aaron Zinman <aaron@azinman.com> 1469232781 -0700

swift: Improve HLAPI invite handler experience

This CL implements vanadium/issues#1408 for Swift, which hides
unnecessary invites from already joined syncgroups, including
userdata. It also auto-joins syncgroups with the user's blessings.

Change-Id: Iac59cc1683aed636a3506c1f66dc1d41efefaa06