Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/9c131e4c161a
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #23874 from nullaus/bug1044125

bug 1044125 - Only capture screenshot and show overlay when edge gesture...

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https://hg.mozilla.org/integration/gaia-central/rev/3f762987477b
Author: Ghislain 'Aus' Lacroix <aus@mozilla.com>
Desc: bug 1044125 - Only capture screenshot and show overlay when edge gestures are in use or task manager is used. r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/5b42aae08230
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Merge pull request #23826 from albertopq/1063568-data-icon-overlap

Bug 1063568 - Removing overlap with 1 sim

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https://hg.mozilla.org/integration/gaia-central/rev/59f49fe68ad3
Author: albertopq <apastor@mozilla.com>
Desc: Bug 1063568 - Removing overlap with 1 sim
Bumping manifests a=b2g-bump