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

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https://hg.mozilla.org/integration/gaia-central/rev/f3af8f66794b
Author: gitmai <mri@tid.es>
Desc: Merge pull request #19716 from gitmai/bug-1016607-importFTE

Bug 1016607 -[B2G][FTE]Unable to import contacts from the First Time Exp...
r=jmcf

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https://hg.mozilla.org/integration/gaia-central/rev/9c3ab4950d15
Author: mai <mri@tid.es>
Desc: Bug 1016607 -[B2G][FTE]Unable to import contacts from the First Time Experience

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https://hg.mozilla.org/integration/gaia-central/rev/d3f89cf5e43b
Author: Yura Zenevich <yura.zenevich@gmail.com>
Desc: Merge pull request #19681 from yzen/bug-1016409

Bug 1016409 - only firing statusbarwheel event when the screen is unlock...

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https://hg.mozilla.org/integration/gaia-central/rev/f1ba52a07878
Author: Yura Zenevich <yzenevich@mozilla.com>
Desc: Bug 1016409 - only firing statusbarwheel event when the screen is unlocked.
Bumping manifests a=b2g-bump