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

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https://hg.mozilla.org/integration/gaia-central/rev/9a69c3f26819
Author: viorelaioia <viorela.ioia@softvision.ro>
Desc: Merge pull request #26604 from chirarobert/bug_1107086

Bug 1107086 - [v2.2] Fix test_sms_with_attachments.py failure

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https://hg.mozilla.org/integration/gaia-central/rev/8ad722667c0f
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1107086 - [v2.2] Fix test_sms_with_attachments.py failure
Bumping manifests a=b2g-bump