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

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https://hg.mozilla.org/integration/gaia-central/rev/162be54d45ec
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1085550 - Disable intermittent failing test, Vertical - Group collapse the first group r=kgrandon

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https://hg.mozilla.org/integration/gaia-central/rev/fff194dc2dc3
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Merge pull request #24759 from millermedeiros/1052960-day-view-multi-day

Bug 1052960 - [Calendar] Day View: update it to use same logic as the 5-day week view r=gaye

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https://hg.mozilla.org/integration/gaia-central/rev/00eaa0446a90
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Bug 1052960 - [Calendar] Day View: update it to use same logic as the 5-day week view
Bumping manifests a=b2g-bump