tree bc8d2fb233d62c22d730609ccf6fbbaf169c340b
parent eb51280b59435c10be8578468e0275996805f223
author Winson Chung <winsonc@google.com> 1418324659 -0800
committer The Android Automerger <android-build@google.com> 1418686611 -0800

Fixing issue with old thumbnails on first launch of app. (Bug 18718114)

Ensure that we always update the thumbnail for the running task, in addition, we
need to be ignoring the running task when doing background preloading since it
will be invalidated anyways.

Change-Id: Ie4f9862dddc29aa71a44e94bbd036c7712487eed