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

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https://hg.mozilla.org/integration/gaia-central/rev/35b28d5eb8a5
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Merge pull request #15735 from jaoo/964345

Bug 964345 - [DSDS] Wrong panel navigation flow for call settings and cellular and data menu items. r=arthurcc

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https://hg.mozilla.org/integration/gaia-central/rev/2b84159698e0
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Bug 964345 - [DSDS] Wrong panel navigation flow for call settings and cellular and data menu items
Bumping manifests a=b2g-bump