Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/95265e85dd6b
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #25715 from pcambra/1090212_edit_picture

Bug 1090212 - Center Edit picture

========

https://hg.mozilla.org/integration/gaia-central/rev/15d7a25c13d3
Author: Pedro Cambra <pedro.cambra@gmail.com>
Desc: Bug 1090212 - Center Edit picture

========

https://hg.mozilla.org/integration/gaia-central/rev/c03802a75f44
Author: Florin Strugariu <florin.strugariu@softvision.ro>
Desc: Merge pull request #26136 from viorelaioia/bug_1098979

Bug 1098979 - Xfail test_browser_save_image.py because of Bug 1098338

========

https://hg.mozilla.org/integration/gaia-central/rev/271bbde15c83
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 1098979 - Xfail test_browser_save_image.py because of Bug 1098338
Bumping manifests a=b2g-bump