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

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https://hg.mozilla.org/integration/gaia-central/rev/d0048c9971b9
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #17867 from RudyLu/keyboard/Bug990372

Bug 990372 - [Sora][Message]The virtual keyboard disable after do some
r=janjongboom

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https://hg.mozilla.org/integration/gaia-central/rev/7c422c0f85ee
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 990372 - [Sora][Message]The virtual keyboard disable after do some
operations.
 - not to do clearTouchedKeys() in resetKeyboard().
Bumping manifests a=b2g-bump