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

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https://hg.mozilla.org/integration/gaia-central/rev/f14f5c318673
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #19509 from jrburke/bug1012896-email-icons-cutoff

Bug 1012896 - [B2G][Open_C][E-mail]The Reply, Reply All, and Forward icons are cut off r=mcav

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https://hg.mozilla.org/integration/gaia-central/rev/10baaba51cc2
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1012896 - [B2G][Open_C][E-mail]The Reply, Reply All, and Forward icons are cut off
Bumping manifests a=b2g-bump