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

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https://hg.mozilla.org/integration/gaia-central/rev/5200feab34e2
Author: Dominic Kuo <dkuo@mozilla.com>
Desc: Merge pull request #24133 from ranjithgithub/1003355_ShuffleAllStops

Bug 1003355 - [Music]Handling 0 & 1 index values in advancedEnumerate mediadb API, r=dominickuo

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https://hg.mozilla.org/integration/gaia-central/rev/27804e380844
Author: ranjith.gutha <ranjith.gutha@lge.com>
Desc: Bug 1003355-[Music]Handling 0 & 1 index values in advancedEnumerate mediadb API
Bumping manifests a=b2g-bump