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

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https://hg.mozilla.org/integration/gaia-central/rev/077019d06037
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #17032 from flodolo/bug981604_timechangelanguage

Bug 981604 - [System]: Time Picker doesn't change when switching language in Settings

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https://hg.mozilla.org/integration/gaia-central/rev/9e2254b020cd
Author: Francesco Lodolo (:flod) <flod@lodolo.net>
Desc: Bug 981604 - [System]: Time Picker doesn't change when language is changed in Settings
Bumping manifests a=b2g-bump