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

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https://hg.mozilla.org/integration/gaia-2_0/rev/ea1a05f6b475
Author: Dominic Kuo <dkuo@mozilla.com>
Desc: Merge pull request #20288 from dominickuo/bug-1015837

Bug 1015837 - [System] Sound toast visual refresh, r= alivedise

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https://hg.mozilla.org/integration/gaia-2_0/rev/a2d1baa133f3
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #20399 from KevinGrandon/bug_1022515_search_dedupe

Bug 1022515 - Marketplace download suggestions still show up even if the app is installed

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https://hg.mozilla.org/integration/gaia-2_0/rev/fef427ad08ff
Author: Ian Liu <iliu@mozilla.com>
Desc: Merge pull request #20279 from ian-liu/bluetooth/bug1016716_turning_off_the_bluetooth_should_cancel_pairing_dialog_automatically

Bug 1016716 - [Tarako] Turning off the bluetooth should cancel any incoming request automatically, r=arthur
Bumping manifests a=b2g-bump