Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/c95dc10d3f85
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Merge pull request #12115 from lissyx/bug904625

Bug 904625 - Display correct Airplane Mode error message r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/5bd9bbd8fde1
Author: Alexandre Lissy <lissyx+github@lissyx.dyndns.org>
Desc: Bug 904625 - Display correct Airplane Mode error message

When the user makes a phone call to a non emergency number and the
device is in airplane mode, we should display a message stating we are
in airplane mode and not that we have no network.