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

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https://hg.mozilla.org/integration/gaia-central/rev/f88194bd43bc
Author: Yoshi Huang <allstars.chh@mozilla.com>
Desc: Merge pull request #21540 from svic/Bug_1031993

Bug 1031993 - Show notification when file transfer fails. r=gweng

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https://hg.mozilla.org/integration/gaia-central/rev/d65f2d03dbda
Author: Arno Puder <arno@puder.org>
Desc: Bug 1031993 - Show notification when file transfer fails
Bumping manifests a=b2g-bump