tree 35903c193119dbea9f704ad0449f45398ffd1d3e
parent 7ed42af3398c1764424ebbf2dd6e2a51e05eaf5f
author Winson <winsonc@google.com> 1468288758 -0700
committer Peter Schiller <peterschiller@google.com> 1468350986 -0700

Cleaning up scrollbar logic to properly calculate stable extents.

- Removing old logic which assumed that views were the same size,
  especially now we can have variable dividers, etc.
- Simplifying old scroll position logic.
- Removing unnecessary prediction icon layout (same as normal icon)

Bug: 30023608
Change-Id: I39e1126fa586a76a9bdd3ff38cd6e360ac3021e6