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

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https://hg.mozilla.org/integration/gaia-central/rev/e9fe8723d3ed
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #25678 from jrburke/bug1087184-email-contacts-find

Bug 1087184 - mozContacts API uses lowercase names for searches r=asuth

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https://hg.mozilla.org/integration/gaia-central/rev/b0c19cb06c2b
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1087184 - mozContacts API uses lowercase names for searches
Bumping manifests a=b2g-bump