Bumping gaia.json for 3 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/e1445ee1e070
Author: sasikala.paruchuri <sasikala.paruchuri@lge.com>
Desc: Bug 878603 - [Messages] Always show the counter for available characters from 20 instead of 10 r=julien

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https://hg.mozilla.org/integration/gaia-central/rev/ffa6f2893201
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Merge pull request #15117 from jaoo/945150

Bug 945150 - [DSDS] SIM manager(when PIN locked or no SIM), Call Settings, Message Settings and Cellular & Data are still accessible when airplane mode is on. r=arthurcc

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https://hg.mozilla.org/integration/gaia-central/rev/d2bd6cc638d6
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Bug 945150 - [DSDS] SIM manager(when PIN locked or no SIM), Call Settings, Message Settings and Cellular & Data are still accessible when airplane mode is on.