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

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https://hg.mozilla.org/integration/gaia-central/rev/de30714e578d
Author: Fernando Rodríguez Sela <frsela@tid.es>
Desc: Merge pull request #11367 from frsela/STK/Bug901865

Bug 901865 - [STK] STK_EVENT_TYPE_USER_ACTIVITY support, r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/0f8288c07778
Author: Fernando Rodriguez Sela <frsela@tid.es>
Desc: Add STK_EVENT_TYPE_USER_ACTIVITY support