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

========

https://hg.mozilla.org/integration/gaia-central/rev/f96fac94f8be
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Merge pull request #18612 from mcav/blank-time

Bug 1000511 - [B2G][Clock]Time section is blank when creating a new Alar...

========

https://hg.mozilla.org/integration/gaia-central/rev/06e265fd8160
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Bug 1000511 - [B2G][Clock]Time section is blank when creating a new Alarm until drop down is selected. r=gaye
Bumping manifests a=b2g-bump