tree bab26817d44df9cf285df75a99467149309da9a2
parent a79b18ad36ca9025ac4862c492260a656f61c7cf
author Winson <winsonc@google.com> 1441058546 -0700
committer Winson <winsonc@google.com> 1441058546 -0700

Fixing NPE in recycler view scroll bar.

- The regression was introduced in scroll bar changes ag/751628, but
  unlike AllApps, the WidgetsRecyclerView can have an unbound model.

Bug: 23689784
Change-Id: Ibd3d5bcbafab0ada9a372fa00acaa45809ce720d