Bumping gaia.json for 5 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-2_0/rev/cad493f459e6
Author: AndreiH <andrei.hutusoru@softvision.ro>
Desc: Merge pull request #20732 from viorelaioia/bug_1027085

Bug 1027085 - [Flame][v2.0] Uplift changes in test_everything_me tests from master and unxfail the tests

========

https://hg.mozilla.org/integration/gaia-2_0/rev/0805a9fbcbfa
Author: Zac <zcampbell@mozilla.com>
Desc: Bug 1024433 - Update displayedApp atom to handle activityWindows

========

https://hg.mozilla.org/integration/gaia-2_0/rev/35c611b1ec85
Author: Zac <zcampbell@mozilla.com>
Desc: Bug 1019906 - Update test_everythingme_search.py to vert homescreen

========

https://hg.mozilla.org/integration/gaia-2_0/rev/654529e6203e
Author: Zac <zcampbell@mozilla.com>
Desc: Bug 1019905 - Migrate test_everythingme_launch_app.py to vertical homescreen

========

https://hg.mozilla.org/integration/gaia-2_0/rev/e41282c027a9
Author: Zac <zcampbell@mozilla.com>
Desc: Bug 1019902 - Merge and Update test_everythingme_add_collection.py and test_eme_app_install.py
Bumping manifests a=b2g-bump