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

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https://hg.mozilla.org/integration/gaia-2_1/rev/667f3e925246
Author: Greg Weng <snowmantw@gmail.com>
Desc: Merge pull request #26275 from snowmantw/bug1099006

Bug 1099006 - [Flame][Lock Screen]The keybord of PIN input page will be ...

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https://hg.mozilla.org/integration/gaia-2_1/rev/9c066f576ead
Author: Greg Weng <snowmantw@gmail.com>
Desc: Bug 1099006 - [Flame][Lock Screen]The keybord of PIN input page will be displayed on lockscreen after restart device.
Bumping manifests a=b2g-bump