Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/745d0fbe6473
Author: Douglas Sherk <github@sherk.me>
Desc: Merge pull request #24861 from DouglasSherk/1070050-dialer-contacts-buttons-highlighting

Bug 1070050 - Highlight phone numbers on contacts buttons that are close matches of call log entries. r=Rik

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https://hg.mozilla.org/integration/gaia-central/rev/2f79d3ab2335
Author: Doug Sherk <github@sherk.me>
Desc: Bug 1070050 - Highlight phone numbers on contacts buttons that are close matches of call log entries. r=Rik

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https://hg.mozilla.org/integration/gaia-central/rev/d771ba979cad
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1090756 - Disable failing test, TEST-UNEXPECTED-FAIL | null | Vertical - Collection Rename rename collection r=kgrandon

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https://hg.mozilla.org/integration/gaia-central/rev/5032127ce49c
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Revert "Bug 1090756 - Disable the test"

This reverts commit 25bda8d8413ca2625f88956be2fa75c713f47dda.
Bumping manifests a=b2g-bump