Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/b1f9cd3cbbb1
Author: Ian Liu <iliu@mozilla.com>
Desc: Merge pull request #10796 from ian-liu/clock/Bug890216_creating_alarm_button_is_not_align_with_date/day_context

Bug 890216 - [Clock] The button of creating alarm is not align with displaying date/day context, r=@rexboy7

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https://hg.mozilla.org/integration/gaia-central/rev/e7bc55c1e56a
Author: ian-liu <iliu@mozilla.com>
Desc: Bug 890216 - [Clock] The button of creating alarm is not align with displaying date/day context