Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/f24612258c61
Author: Julien Wajsberg <felash@gmail.com>
Desc: Merge pull request #18647 from julienw/999553-reenable-most-disabled-unit-tests-enable-render-test

Bug 999553 - Reenable most disabled unit tests on TBPL r=jgriffin

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https://hg.mozilla.org/integration/gaia-central/rev/6f06804fb6a6
Author: Julien Wajsberg <felash@gmail.com>
Desc: Bug 999553 - Reenable most disabled unit tests on TBPL r=jgriffin

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https://hg.mozilla.org/integration/gaia-central/rev/f91971931680
Author: Julien Wajsberg <felash@gmail.com>
Desc: Bug 995605 - [Sora][Message][MMS]Can't add the text in content when forward a media MMS r=schung

The issue is that in compose.js, "pointer-events: none" is added after it's
removed, in this case.

This patch ensures that SMIL.parse always calls the callback in an asynchronous way,
so that the caller does not have any surprise.
Bumping manifests a=b2g-bump