Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_0/rev/bc0617566459
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #25586 from arcturus/bug-1090408

Bug 1090408 - apps/communications/contacts/test/marionette/contacts_shortcuts_test.js permared on v2.0 r=jmcf

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https://hg.mozilla.org/integration/gaia-2_0/rev/c72a7bee448b
Author: Francisco Jordano <fjordano@mozilla.com>
Desc: Bug 1090408 - apps/communications/contacts/test/marionette/contacts_shortcuts_test.js permared on v2.0 r=jmcf
Bumping manifests a=b2g-bump