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

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https://hg.mozilla.org/integration/gaia-central/rev/2fb42aadc028
Author: Zibi Braniecki <zbigniew.braniecki@gmail.com>
Desc: Merge pull request #23279 from zbraniecki/1051850-delay-MO-init-until-ready-for-non-default-locales

Bug 1051850 - In non-default locale scenario, delay MO init until l10n is ready. r=stas

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https://hg.mozilla.org/integration/gaia-central/rev/efc66c50dc79
Author: Zbigniew Braniecki <gandalf@mozilla.com>
Desc: Bug 1051850 - In non-default locale scenario, delay MO init until l10n is ready
Bumping manifests a=b2g-bump