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

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https://hg.mozilla.org/integration/gaia-central/rev/cec6afa012f8
Author: pacorampas <b.frv@tid.es>
Desc: Merge pull request #26441 from pacorampas/1102317

Bug 1102317 - Keypad is shifted too far to the right r=drs

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https://hg.mozilla.org/integration/gaia-central/rev/86930ad77043
Author: Paco Rampas <pacorampas@gmail.com>
Desc: Bug 1102317 - Keypads should always be displayed in LTR, even in RTL mode
Bumping manifests a=b2g-bump