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

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https://hg.mozilla.org/integration/gaia-central/rev/096a932f358e
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #19796 from guilherme-pg/bug1017249-remove-lockscreen-message

Bug 1017249 - Remove lockscreen message after a successful unlock.

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https://hg.mozilla.org/integration/gaia-central/rev/d9b7f3f63b5f
Author: Guilherme Goncalves <guilherme.p.gonc@gmail.com>
Desc: Bug 1017249 - Remove lockscreen message after a successful unlock.
Bumping manifests a=b2g-bump