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

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https://hg.mozilla.org/integration/gaia-central/rev/9a54d8a5f9e8
Author: Rudy Lu <left.lu@gmail.com>
Desc: Merge pull request #11923 from RudyLu/Bug897393-sampleKeyboardApp

Bug 897393 - Add a sample 3rd-party keyboard app for
r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/5d64fe253b8c
Author: Rudy Lu <left.lu@gmail.com>
Desc: Bug 897393 - Add a sample 3rd-party keyboard app for
testing.