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

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https://hg.mozilla.org/integration/gaia-central/rev/3ae4b06c6b01
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Merge pull request #23111 from eeejay/bug-1056364

Bug 1056364 - Check lockscreen state before hiding windows on visible-au... r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/829232e70b57
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Bug 1056364 - Check lockscreen state before hiding windows on visible-audio-channel-changed.
Bumping manifests a=b2g-bump