Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/4299530cb326
Author: James Lal <james@lightsofapollo.com>
Desc: Merge pull request #20824 from lightsofapollo/bug-1027925

Bug 1027925 - Ensure that icon remove button is above the icon and give it extra padding to make it clickable.

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https://hg.mozilla.org/integration/gaia-central/rev/3aa596d26987
Author: James Lal <james@lightsofapollo.com>
Desc: Bug 1027925 - Ensure that icon remove button is above the icon and give it extra padding to make it clickable.

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https://hg.mozilla.org/integration/gaia-central/rev/47d5de188962
Author: James Lal <james@lightsofapollo.com>
Desc: Merge pull request #20818 from lightsofapollo/l10n-categories

Bug 1028325 - Use mozillas locales where possible when displaying the co...

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https://hg.mozilla.org/integration/gaia-central/rev/b42775aebbc7
Author: James Lal <james@lightsofapollo.com>
Desc: Bug 1028325 - Use mozillas locales where possible when displaying the collection name
Bumping manifests a=b2g-bump