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

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https://hg.mozilla.org/integration/gaia-central/rev/c98710d8aeb4
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #24845 from TheoChevalier/video-picker-done-l10n

Bug 1078536 - "Done" button on video picker is hardcoded

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https://hg.mozilla.org/integration/gaia-central/rev/a50dd9e7ae00
Author: TheoChevalier <theo.chevalier11@gmail.com>
Desc: Bug 1078536 - "Done" button on video picker is hardcoded

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https://hg.mozilla.org/integration/gaia-central/rev/3086119e87e0
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #24834 from Cwiiis/bug1061660-missing-visible-transitions

Bug 1061660 - Fix some missing show transitions on BaseUI elements. r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/ebd363902a7b
Author: Chris Lord <chrislord.net@gmail.com>
Desc: Bug 1061660 - Fix some missing show transitions on BaseUI elements. r=alive

Flush the style after element creation so that animations associated with
the visible class play.
Bumping manifests a=b2g-bump