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

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https://hg.mozilla.org/integration/gaia-central/rev/e1097c90298f
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #13557 from gasolin/issue-919927-2

Bug 919927 - [Permission] use permissions instead of permission/option/options with Bug 935557 backward compatibility, r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/377eb945267d
Author: gasolin <gasolin@gmail.com>
Desc: Bug 919927 - [Permission] use permissions instead of permission/option/options with Bug 935557 backward compatibility