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

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https://hg.mozilla.org/integration/gaia-central/rev/070c48bba6ba
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #21979 from mancas/bug824131

Bug 824131 - [B2G][Wifi] Entering an incorrect password for a Wifi netwo...

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https://hg.mozilla.org/integration/gaia-central/rev/adca1070131e
Author: Manuel Casas Barrado <manuel.casasbarrado@telefonica.com>
Desc: Bug 824131 - [B2G][Wifi] Entering an incorrect password for a Wifi network does not give user a notification
Bumping manifests a=b2g-bump