tree 2740ad48cd7eb3a230b0dbd8bb53e757d11215eb
parent d434dcbfc9407baad28b6b40fea75b1b6050ad7e
author Jorim Jaggi <jjaggi@google.com> 1452174148 +0100
committer Jorim Jaggi <jjaggi@google.com> 1452730838 -0800

Reenable task preloading in recents

Make sure to call the task stack changed listener only when
app visibilities changed. This fixes the problem of too many
callbacks when just focusing another activity.

Bug: 26420341
Change-Id: I55d96ec367f7461be1f3e35bc0d12ae4b050ece0