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

========

https://hg.mozilla.org/integration/gaia-central/rev/f8e0641e4ece
Author: Aleh Zasypkin <aleh.zasypkin@gmail.com>
Desc: Merge pull request #26360 from azasypkin/bug-1102171-usage-resource-activation

 Bug 1102171 - [Usage][Refactoring] ViewManager.loadPanel should cleanup panels DOM once scripts/links are activated. r=salva

========

https://hg.mozilla.org/integration/gaia-central/rev/ddb0772236ad
Author: Aleh Zasypkin <azasypkin@mozilla.com>
Desc: Bug 1102171 - [Usage][Refactoring] ViewManager.loadPanel should cleanup panels DOM once scripts/links are activated. r=salva
Bumping manifests a=b2g-bump