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

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https://hg.mozilla.org/integration/gaia-central/rev/32783cf2ad68
Author: EragonJ <eragonj@eragonj.me>
Desc: Merge pull request #15439 from EragonJ/bug-948307-another-try

Bug 948307 - [DSDS] SIM manager is loaded about half second later

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https://hg.mozilla.org/integration/gaia-central/rev/22d16be4d743
Author: EragonJ <eragonj@eragonj.me>
Desc: Bug 948307 - [DSDS] SIM manager is loaded about half second later
Bumping manifests a=b2g-bump