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

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https://hg.mozilla.org/integration/gaia-central/rev/aa24ea055a0c
Author: Zibi Braniecki <zbigniew.braniecki@gmail.com>
Desc: Merge pull request #24722 from zbraniecki/1075273-remove-mozl10n-translate

Bug 1075273 - Remove mozL10n.translate. r=stas

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https://hg.mozilla.org/integration/gaia-central/rev/da7dcf34dd76
Author: Zbigniew Braniecki <gandalf@mozilla.com>
Desc: Bug 1075273 - Remove mozL10n.translate
Bumping manifests a=b2g-bump