Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/af4a62b03e58
Author: Amir Nissim <amirnissim@gmail.com>
Desc: Merge pull request #14962 from EverythingMe/946724-collections-unsupported-locale

Revert "Revert "Bug 946724 - [e.me] Collection suggestions for unsupport...

========

https://hg.mozilla.org/integration/gaia-central/rev/9010f29c8db0
Author: Amir Nissim <amirnissim@gmail.com>
Desc: Revert "Revert "Bug 946724 - [e.me] Collection suggestions for unsupported languages should show English suggestions [r=ranbena]""

This reverts commit 1afe3de31a8974d301c38bfb5aad4c87bead5319.