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

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https://hg.mozilla.org/integration/gaia-2_0/rev/02a55d6edef3
Author: Fernando Campo <fernando.campo@telefonica.com>
Desc: Bug 1022115 - [Contacts] Cannot tap and see detail of contact when importing multiple via Bluetooth

Conflicts:
	apps/communications/contacts/test/unit/contacts_test.js
	apps/communications/contacts/test/unit/mock_activities.js

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https://hg.mozilla.org/integration/gaia-2_0/rev/2c90b373028a
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #21276 from chirarobert/enable_home_del_app

Bug 1027144 - Re-enable test_homescreen_move_app.py, test_homescreen_del...

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https://hg.mozilla.org/integration/gaia-2_0/rev/8506e6e373d1
Author: chirarobert <robert.chira@softvision.ro>
Desc: Bug 1027144 - Re-enable test_homescreen_move_app.py, test_homescreen_delete_app.py
Bumping manifests a=b2g-bump