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

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https://hg.mozilla.org/integration/gaia-central/rev/84aeda821c22
Author: viorelaioia <viorela.ioia@softvision.ro>
Desc: Merge pull request #26785 from chirarobert/bug_1109099

Bug 1109099 - [v2.2] Add test to check that calls are grouped by phone n...

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https://hg.mozilla.org/integration/gaia-central/rev/9f7f66da6d00
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1109099 - [v2.2] Add test to check that calls are grouped by phone number and day
Bumping manifests a=b2g-bump