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

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https://hg.mozilla.org/integration/gaia-central/rev/098aa4a51430
Author: Fernando Rodríguez Sela <frsela@tid.es>
Desc: Merge pull request #13025 from frsela/STK/Bug928580

Bug 928580 - STK: No terminal response sent for DTMF for no alphaId case, r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/577c2fab4db9
Author: Fernando Rodriguez Sela <frsela@tid.es>
Desc: Bug 928580 - STK: No terminal response sent for DTMF for no alphaId case