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

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https://hg.mozilla.org/integration/gaia-central/rev/e49041703c30
Author: vingtetun <21@vingtetun.org>
Desc: Merge pull request #22446 from vingtetun/repair.broken-chrome-landing2

Bug 1047329 - Repair broken chrome for apps that request it in their man...

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https://hg.mozilla.org/integration/gaia-central/rev/c88eaf444265
Author: Vivien Nicolas <vnicolas@mozilla.com>
Desc: Bug 1047329 - Repair broken chrome for apps that request it in their manifest. r=kgrandon
Bumping manifests a=b2g-bump