Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/705087fe7c1e
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1071943 - Disable intermittent failing test, TEST-UNEXPECTED-FAIL | /builds/slave/test/gaia/apps/communications/contacts/test/marionette/ice_test.js | Contacts > ICE contacts ICE contacts Select ICE contact from search, go back to ICE settings
Bumping manifests a=b2g-bump