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

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https://hg.mozilla.org/integration/gaia-central/rev/33a8ca00e312
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #19952 from KevinGrandon/try_revert_bug_101924

Revert "Bug 1019243 - use a depth of 1 for shallow clones of Gaia"

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https://hg.mozilla.org/integration/gaia-central/rev/4c14c9b29429
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Revert "Bug 1019243 - use a depth of 1 for shallow clones of Gaia"

This reverts commit 805a1af97c46d2b26fed9461b37450634401d093.
Bumping manifests a=b2g-bump