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

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https://hg.mozilla.org/integration/gaia-central/rev/25561ff9a9ef
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #19823 from bebef1987/settings_launch

Bug 1018235 - Update settings app to use body[data-ready="true"]

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https://hg.mozilla.org/integration/gaia-central/rev/dd9ea09dadfe
Author: Bebe <bebe@mozilla.ro>
Desc: Bug 1018235 - Update settings app to use body[data-ready="true"]
Bumping manifests a=b2g-bump