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

========

https://hg.mozilla.org/integration/gaia-central/rev/00ae910646cb
Author: Eli Perelman <eli@eliperelman.com>
Desc: Merge pull request #26679 from eliperelman/bug-1088118

Bug 1088118 - Adding User Timing markers to applications

========

https://hg.mozilla.org/integration/gaia-central/rev/e1239b12594a
Author: Eli Perelman <eli@eliperelman.com>
Desc: Bug 1088118 - Adding User Timing markers to applications
Bumping manifests a=b2g-bump
Bumping manifests a=b2g-bump