Merge "Remove unused methods from LinkProperties." am: ec3a0131b9 am: cc7d3d97f3 am: b4f637d300 am: c7c6d5ab55

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

Change-Id: I7e97ed89636e22553c6b2a3a759d2bdcbed9ba24