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

========

https://hg.mozilla.org/integration/gaia-central/rev/9d8c254abad2
Author: Aleh Zasypkin <aleh.zasypkin@gmail.com>
Desc: Merge pull request #24888 from azasypkin/bug-1068618-activity-double-escaping

Bug 1068618 - [Loop] The shared link sms message is wrong. r=julien

========

https://hg.mozilla.org/integration/gaia-central/rev/5c3f408f28a2
Author: Aleh Zasypkin <azasypkin@mozilla.com>
Desc: Bug 1068618 - [Loop] The shared link sms message is wrong. r=julien
Bumping manifests a=b2g-bump