Merge "Remove unused methods from LinkProperties." am: 561107dd24

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1448415

Change-Id: I7adcc9920cc2bdebe9a1dc22f32ce0955a4524dd
tree: d0f85b4f461663c1385eae9aedee017a1ceaebfd
  1. core/
  2. services/
  3. tests/