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

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https://hg.mozilla.org/integration/gaia-2_0/rev/ccf4327986bc
Author: Greg Weng <snowmantw@gmail.com>
Desc: Revert "Merge pull request #26757 from snowmantw/bug1110960-2.0"

This reverts commit 2ed1958558492b22fb2684917ad443265c95d497, reversing
changes made to ce83ea7b8e3fa2d1c3fd771fc22b654c18b3c381.

(Sorry for forgetting to submit the approval)

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https://hg.mozilla.org/integration/gaia-2_0/rev/ac4b2edb1ea2
Author: Greg Weng <snowmantw@gmail.com>
Desc: Merge pull request #26757 from snowmantw/bug1110960-2.0

Bug 1110960 - Device slowing down after more than one day of uptime

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https://hg.mozilla.org/integration/gaia-2_0/rev/81407324d28d
Author: Greg Weng <snowmantw@gmail.com>
Desc: Bug 1110960 - Device slowing down after more than one day of uptime
Bumping manifests a=b2g-bump