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

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https://hg.mozilla.org/integration/gaia-central/rev/413656a34c2c
Author: Sherman Chen <shamenchens@users.noreply.github.com>
Desc: Merge pull request #26906 from shamenchens/Bug1109990-CBMessage-2-master

Bug 1112971 - Cell broadcast message notification not disappear, r=kgrandon

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https://hg.mozilla.org/integration/gaia-central/rev/b5489c45cfa3
Author: Sherman Chen <shamen.chens@gmail.com>
Desc: Bug 1112971 - Cell broadcast message notification not disappear
Bumping manifests a=b2g-bump