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

========

https://hg.mozilla.org/integration/gaia-1_3/rev/ee74f3d83696
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #17374 from RudyLu/keyboard/Bu983012

Bug 983012 - [Sora][Message][Input method]The virtual keyboard is
r=timdream

========

https://hg.mozilla.org/integration/gaia-1_3/rev/aa46144db684
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 983012 - [Sora][Message][Input method]The virtual keyboard is
disable after switching the keyboard as pinyin.
 - Remove the touchmove event listeners from the touched keys when
   switching layouts.
 - Address review comment.
Bumping manifests a=b2g-bump