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

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https://hg.mozilla.org/integration/gaia-2_0/rev/06c7c3b4418e
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #21142 from KevinGrandon/bug_1030923_collection_statusbar_launch

Bug 1030923 - [Everything.me][Smart Collections] If the status bar is transparent ( ie at the top of homescreen ) and the smart collection is launched the status bar remains transparent

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https://hg.mozilla.org/integration/gaia-2_0/rev/b7fe263559c6
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #20778 from KevinGrandon/bug_1027990_search_window_activities

Bug 1027990 - [System] ActivityWindow does not receive proper rearWindow
Conflicts:
	apps/search/js/contextmenu.js

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https://hg.mozilla.org/integration/gaia-2_0/rev/79a02ea0889b
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #21136 from EverythingMe/1030194-sugg-brackets

Bug 1030194 - [Rocketbar] Search term will show brackets for searches that have the two of the same words or content
Bumping manifests a=b2g-bump