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

========

https://hg.mozilla.org/integration/gaia-central/rev/7f32a151db13
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #23525 from jrburke/bug1059499-email-new-mail-banner

Bug 1059499 - [Email][QuickToTop] New message banner hides when untouched r=asuth

========

https://hg.mozilla.org/integration/gaia-central/rev/433a6b6f84fc
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1059499 - [Email][QuickToTop] New message banner hides when untouched
Bumping manifests a=b2g-bump