Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/01a6fb085eb8
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #12476 from teodosia/fix-unlock-to-homescreen

Bug 921053 - Fix failing lockscreen/test_lockscreen_unlock_to_homescreen.py on master r=zac

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https://hg.mozilla.org/integration/gaia-central/rev/d511a8385989
Author: Teodosia Pop <teodosia.pop@gmail.com>
Desc: Bug 921053 - Fix failing lockscreen/test_lockscreen_unlock_to_homescreen.py on master