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

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https://hg.mozilla.org/integration/gaia-central/rev/2d7e3fc1e469
Author: Mike Pennisi <mike@mikepennisi.com>
Desc: Bug 941909 - [Clock] Alarm toggle operation blocks future toggling

Allow concurrent toggle operations to take place but delay updating the
DOM until the final operation is complete.

r=gnarf

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https://hg.mozilla.org/integration/gaia-central/rev/732df6001369
Author: Fernando Campo <fernando.campo@o2.com>
Desc: Revert "Merge pull request #13550 from fcampo/exported-label-translate-929552"

This reverts commit a9f87d4c5ee467026b165e2f1f59b0ec03418028, reversing
changes made to 473954333fa1ccc98d93e72f7038df9fa17abdab.