Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/99aad80c93e9
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Revert "Bug 1063789 - [System][Rocketbar] Do not save places for non-browser frames r=daleharvey"

This reverts commit adcf40510ea5b840a1f7562aafe9cfbdd882c608.
Bumping manifests a=b2g-bump