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

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https://hg.mozilla.org/integration/gaia-central/rev/0e75e30d1009
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #21222 from viorelaioia/bug_1032235

Bug 1032235 - [v2.1] Fix failure in test_settings_wifi.py

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https://hg.mozilla.org/integration/gaia-central/rev/9fbd29b068d0
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 1032235 - [v2.1] Fix failure in test_settings_wifi.py
Bumping manifests a=b2g-bump