Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/0a61e8ad6d61
Author: Dale Harvey <dale@arandomurl.com>
Desc: Bug 1041380 - Add a loading state to e.me search. r=kgrandon

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https://hg.mozilla.org/integration/gaia-central/rev/e28c976f9ee4
Author: Douglas Sherk <github@sherk.me>
Desc: Merge pull request #23042 from DouglasSherk/1054185-sim-picker-default

Bug 1054185 - Fix "Default" being missing from SIM picker. r=Rik

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https://hg.mozilla.org/integration/gaia-central/rev/53ef53ad1805
Author: Doug Sherk <github@sherk.me>
Desc: Bug 1054185 - Fix "Default" being missing from SIM picker. r=Rik
Bumping manifests a=b2g-bump