Fix public API of LinkProperties.

bug:15142362
(cherry picked from commit 51d898fd0223a4b7c728980ab987dd985c02df5f)
Change-Id: I1457111da7d3bd09998f7e010febb8bb4c45c8bc
3 files changed
tree: 5abf6c3691301b5a436345a76716424fd1917574
  1. core/
  2. services/
  3. tests/