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

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https://hg.mozilla.org/integration/gaia-central/rev/df85f69c0bd6
Author: Zibi Braniecki <zbigniew.braniecki@gmail.com>
Desc: Merge pull request #26623 from zbraniecki/1107232-remove-mockmoznotification

Bug 1107232 - Remove mockMozNotification. r=jlal

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https://hg.mozilla.org/integration/gaia-central/rev/e30d124188a5
Author: Zbigniew Braniecki <gandalf@mozilla.com>
Desc: Bug 1107232 - Remove mockMozNotification
Bumping manifests a=b2g-bump