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

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https://hg.mozilla.org/integration/gaia-central/rev/36516b50befc
Author: chirarobert <robert.chira@softvision.ro>
Desc: Merge pull request #23858 from viorelaioia/bug_1060244

Bug 1060244 - Add test_browser_lan.py to sanity suite once Browser chang...

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https://hg.mozilla.org/integration/gaia-central/rev/584de3aa7b05
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 1060244 - Add test_browser_lan.py to sanity suite once Browser changes are complete
Bumping manifests a=b2g-bump