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

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https://hg.mozilla.org/integration/gaia-central/rev/0af3f6ac8ca8
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #17026 from RudyLu/keyboard/Bug979764-remove_dup_resizeTo

Bug 979764 - [keyboard refactor] resizeTo would be invoked more tha once when keyboard relaunch
r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/b7fe65629fb5
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 979764 - [keyboard refactor] resizeTo would be invoked more than
once when keyboard relaunch
Bumping manifests a=b2g-bump