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

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https://hg.mozilla.org/integration/gaia-central/rev/d0dfefa25da3
Author: Salvador de la Puente González <salva@unoyunodiez.com>
Desc: Merge pull request #10744 from lodr/bug-888206-avoiding-crash-during-startup

Bug 888206 - Avoiding crash during startup
r=arcturus

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https://hg.mozilla.org/integration/gaia-central/rev/dea42ba078ef
Author: lodr <salva@unoyunodiez.com>
Desc: Bug 888206 - Avoiding crash during startup