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

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https://hg.mozilla.org/integration/gaia-2_0/rev/f1c10003e6ed
Author: crdlc <crdlc@tid.es>
Desc: Bug 1025848 - [Vertical Homescreen] Gesture with two or more fingers ends in edit mode or showing the context menu

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https://hg.mozilla.org/integration/gaia-2_0/rev/9fc72f380b18
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1025506 - Disable test, homescreen tests should not rely on dom order r=me

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https://hg.mozilla.org/integration/gaia-2_0/rev/7b860a07e2f3
Author: Chris Lord <chrislord.net@gmail.com>
Desc: Bug 1025564 - Remove 'dragging' class on transitionend to allow icon drop transitions. r=kgrandon
Bumping manifests a=b2g-bump