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

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https://hg.mozilla.org/integration/gaia-central/rev/8801f529a400
Author: Florin Strugariu <florin.strugariu@softvision.ro>
Desc: Merge pull request #24004 from chirarobert/fix_dialer_mess

Bug 1066577 - [v2.2] Fix test_dialer_from_message

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https://hg.mozilla.org/integration/gaia-central/rev/5af61d0d28e2
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1066577 - [v2.2] Fix test_dialer_from_message
Bumping manifests a=b2g-bump