Bumping gaia.json for 1 gaia-1_2 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_2/rev/3b978a188491
Author: Fabien Cazenave <fabien@cazenave.cc>
Desc: Merge pull request #14611 from arroway/bug-797661

Bug 797661 - Hotspot should have random password, r=kaze
(cherry picked from commit 2be37d0b91deabc6f3efafbe01b1dec3e8643a67)
Bumping gaia.json for 1 gaia-1_2 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_2/rev/f48e4d3cd1f7
Author: gasolin <gasolin@gmail.com>
Desc: Bug 949799 - [B2G][Geolocation] 'More Info' icon is unresponsive on the Geolocation screen