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

========

https://hg.mozilla.org/integration/gaia-central/rev/c7fc2c93d589
Author: Yuren Ju <yurenju@gmail.com>
Desc: Merge pull request #10996 from yurenju/bug887164

Bug 887164: Added WBMP support for SMIL r=steveck-chung

========

https://hg.mozilla.org/integration/gaia-central/rev/e06e0956d818
Author: Yuren Ju <yurenju@gmail.com>
Desc: Bug 887164: Added WBMP support for SMIL