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

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https://hg.mozilla.org/integration/gaia-central/rev/c4bd8e11f0a7
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #17241 from crdlc/bug-983594

Bug 983594 - Avoid making several calls from detail view at the same tim...

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https://hg.mozilla.org/integration/gaia-central/rev/e1abb181711a
Author: crdlc <crdlc@tid.es>
Desc: Bug 983594 - Avoid making several calls from detail view at the same time
Bumping manifests a=b2g-bump