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

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https://hg.mozilla.org/integration/gaia-central/rev/d390f67c5661
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #18507 from svic/Bug_970148

Bug 970148 - Support for simple pairing record

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https://hg.mozilla.org/integration/gaia-central/rev/5dbd7c2ddd33
Author: Arno Puder <arno@puder.org>
Desc: Bug 970148 - Support for simple pairing record. r=alive
Bumping manifests a=b2g-bump