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

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https://hg.mozilla.org/integration/gaia-central/rev/a41a4b02926e
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #16270 from jrburke/bug971617-email-wrong-folder-list

Bug 971617 - [Sora]Switching accounts,and select the folder to move the mail,the current account folder list display error r=asuth

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https://hg.mozilla.org/integration/gaia-central/rev/757bd52f4430
Author: jrburke <jrburke@gmail.com>
Desc: Bug 971617 - [Sora]Switching accounts,and select the folder to move the mail,the current account folder list display error
Bumping manifests a=b2g-bump