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

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https://hg.mozilla.org/integration/gaia-central/rev/35bd8bfb0ee9
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #18353 from DimiL/master

Bug 996869 - Join hidden network gives error. r=crh0716

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https://hg.mozilla.org/integration/gaia-central/rev/10195d72ddea
Author: dlee <dlee@mozilla.com>
Desc: Bug 996869 - Join hidden network gives error.
Bumping manifests a=b2g-bump