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

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https://hg.mozilla.org/integration/gaia-central/rev/a3213c4e3daf
Author: albertopq <albert.pastor@gmail.com>
Desc: Merge pull request #23740 from albertopq/1052465-hide-sim

Bug 1052465 Hide Sim icon when not active

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https://hg.mozilla.org/integration/gaia-central/rev/81e3b08b259d
Author: albertopq <apastor@mozilla.com>
Desc: Bug 1052465 Hide Sim icon when not active
Bumping manifests a=b2g-bump