tree b20b15a0360166b6e25566cc34c7c19992a7db56
parent 2a4917392556a63a0d4d3d8ecbc55780e6e5303b
author Dake Gu <dake@google.com> 1402002896 -0700
committer Dake Gu <dake@google.com> 1402004831 -0700

GridLayoutManager: fix NPE when adapter changed in scrolling

Seems like when playback activity pops, the adapter was changed
but scrolling task is still going on.

b/15004615

Change-Id: Iea86e0b9b582c3e0e0f3a435aa5092173642672d