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

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https://hg.mozilla.org/integration/gaia-central/rev/3162ac13bf35
Author: Fernando Rodríguez Sela <frsela@tid.es>
Desc: Merge pull request #13345 from frsela/STK/Bug929936

Bug 929936 - [Settings] STK will not be shown in Settings if SIM PIN is enabled and reboot device.

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https://hg.mozilla.org/integration/gaia-central/rev/d46bd582a94b
Author: Fernando Rodriguez Sela <frsela@tid.es>
Desc: Bug 929936 - [Settings] STK will not be shown in Settings if SIM PIN is enabled and reboot device.