am 254f8082: am 77ebbbe0: Merge "Prevent crash when a single layer is enqueued...
am 254f8082: am 77ebbbe0: Merge "Prevent crash when a single layer is enqueued several times for updates Bug #8504687" into jb-mr2-dev
* commit '254f8082':
Prevent crash when a single layer is enqueued several times for updates Bug #8504687