Bumping gaia.json for 8 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/5569b3caa439
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #22562 from gasolin/issue-818624

Bug 818624 - Link to about:credits on Firefox OS, r=eragon

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https://hg.mozilla.org/integration/gaia-central/rev/0f6890f78def
Author: gasolin <gasolin@gmail.com>
Desc: Bug 818624 - Link to about:credits on Firefox OS

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https://hg.mozilla.org/integration/gaia-central/rev/fb0433a91f59
Author: steveck-chung <schung@mozilla.com>
Desc: Merge pull request #22906 from steveck-chung/1051792-cmas-first-ui

Bug 1051792 - CMAS First UI implementation r=schung

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https://hg.mozilla.org/integration/gaia-central/rev/4d7f38e5d1d1
Author: Julien Wajsberg <felash@gmail.com>
Desc: Bug 1051792 - CMAS First UI implementation r=schung

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https://hg.mozilla.org/integration/gaia-central/rev/b103971859b6
Author: Wilson Page <wilsonpage@me.com>
Desc: Merge pull request #19705 from yor-mozilla-com/gaia-header-bluetooth

Bug 1016818 - [Bluetooth] Update to use gaia-header

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https://hg.mozilla.org/integration/gaia-central/rev/e3ad8b112e6f
Author: Yan Or <yor@mozilla.com>
Desc: Bug 1016818 - [Bluetooth] Update to use gaia-header

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https://hg.mozilla.org/integration/gaia-central/rev/8b93611d9566
Author: Wilson Page <wilsonpage@me.com>
Desc: Merge pull request #19659 from yor-mozilla-com/gaia-header-clock

Bug 1015293 - [Clock] Update to use gaia-header

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https://hg.mozilla.org/integration/gaia-central/rev/536e27b426e2
Author: Yan Or <yor@mozilla.com>
Desc: Bug 1015293 - [Clock] Update to use gaia-header
Bumping manifests a=b2g-bump