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

========

https://hg.mozilla.org/integration/gaia-central/rev/ca3e3bc0a88f
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #17737 from RudyLu/keyboard/Bug984328_master

Bug 984328 - [Keyboard][V1.3T] The alternative char menu cannot be
r=timdream

========

https://hg.mozilla.org/integration/gaia-central/rev/f065e0275a6e
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 984328 - [Keyboard][V1.3T] The alternative char menu cannot be
displayed
 - To set initial value of cached window height/width when the keyboard
   is relaunched after memory pressure.
Bumping manifests a=b2g-bump