Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/cdc7b92b69d4
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Revert "Merge pull request #22867 from yurenju/pull/22765"

This reverts commit 5f51ff804b815033cd71e750c52cf19fd3950f29, reversing
changes made to 67f0e561b524f1e80468e9536a65cd7db6fcb8cb.

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https://hg.mozilla.org/integration/gaia-central/rev/bdddebf27704
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #22757 from gasolin/issue-1035775

Bug 1035775 - [B2G][System] support 24 hour time format, r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/cbe4d2b02fe3
Author: gasolin <gasolin@gmail.com>
Desc: Bug 1035775 - [B2G][System] support 24 hour time format

- add timeformatchange listener
Bumping manifests a=b2g-bump