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

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https://hg.mozilla.org/integration/gaia-central/rev/abd5b1a838d4
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #17156 from crdlc/bug-982922

Bug 982922 - [B2G][Homescreen] Long tapping two icons simultaneously res...

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https://hg.mozilla.org/integration/gaia-central/rev/9cede72bf501
Author: crdlc <crdlc@tid.es>
Desc: Bug 982922 - [B2G][Homescreen] Long tapping two icons simultaneously results in one of the icons remaining highlighted in a depressed state
Bumping manifests a=b2g-bump