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

========

https://hg.mozilla.org/integration/gaia-central/rev/2c40d363bc28
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #18160 from AndreiH/bug_994598

Bug 994598 - [master] Unxfail cost_control data alert and wifi reset mob...

========

https://hg.mozilla.org/integration/gaia-central/rev/e3899b521ab4
Author: Andrei Hutusoru <andreihutusoru@P5069.(none)>
Desc: Bug 994598 - [master] Unxfail cost_control data alert and wifi reset mobile
Bumping manifests a=b2g-bump