Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/3c95e151d40b
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #19281 from AndreiH/bug1010768

Bug 1010768 - Intermittent fail of test_settings_cell_data.py

========

https://hg.mozilla.org/integration/gaia-central/rev/80b91f86c855
Author: Andrei Hutusoru <andreihutusoru@P5069.(none)>
Desc: Bug 1010768 - Intermittent fail of test_settings_cell_data.py

========

https://hg.mozilla.org/integration/gaia-central/rev/fa8cf42094e8
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1010642 - [Home2] Implement new drop shadows for app icon labels r=me
Bumping manifests a=b2g-bump