No bug, Automated blocklist update from host bld-linux64-ec2-486 - a=blocklist-update
No bug, Automated HSTS preload list update from host bld-linux64-ec2-376 - a=hsts-update
Bumping gaia.json for 1 gaia-1_2 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_2/rev/89aefc351a44
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Bug 923773 - Wrapper open.png need background-size