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

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https://hg.mozilla.org/integration/gaia-central/rev/ad30572b2dc5
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #22700 from RudyLu/keyboard/Bug1022609

Bug 1022609 - Define 2 different symbol panels that includes ',' or not.
r=timdream.

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https://hg.mozilla.org/integration/gaia-central/rev/a3683b34d93a
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 1022609 - Define 2 different symbol panels that includes ',' or not.
 - Modify each layout to define supportsSwitching.
Bumping manifests a=b2g-bump