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

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https://hg.mozilla.org/integration/gaia-central/rev/f1421b9d57e8
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Merge pull request #15206 from jaoo/947946

Bug 947946 - Update values of APN profiles for new markets. r=kaze

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https://hg.mozilla.org/integration/gaia-central/rev/1d95c7cbc088
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Bug 947946 - Update values of APN profiles for new markets
Bumping manifests a=b2g-bump