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

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https://hg.mozilla.org/integration/gaia-central/rev/85926fc45269
Author: Fernando Rodríguez Sela <frsela@tid.es>
Desc: Merge pull request #11416 from frsela/STK/Bug898301

Bug 898301 - [STK]STK Menu display problem, r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/791bac19d979
Author: Fernando Rodriguez Sela <frsela@tid.es>
Desc: STK on session end move to Settings main menu