tree 9125e6bc249654785d6368a7c6eb2ee6a9ff1c26
parent dccb69dfc235eb7f61096936330e47902e75beb8
author Dake Gu <dake@google.com> 1501261899 -0700
committer Dake Gu <dake@google.com> 1501261899 -0700

leanback: fix onboarding fragment NPE

Logo animation can finish after activity is destroyed.

Bug: 63759257
Test: manually launch SupportLeanbackDemos, quit within one second
Change-Id: Ieee9aa62263c1087bd5bfd82d7d70096e83882c0