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

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https://hg.mozilla.org/integration/gaia-central/rev/a9533a254502
Author: Florin Strugariu <florin.strugariu@softvision.ro>
Desc: Merge pull request #24180 from viorelaioia/bug_1068724

Bug 1068724 - Fix failure in test_cost_control_reset_wifi.py

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https://hg.mozilla.org/integration/gaia-central/rev/ba3c08c849b1
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 1068724 - Fix failure in test_cost_control_reset_wifi.py
Bumping manifests a=b2g-bump