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

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https://hg.mozilla.org/integration/gaia-2_1/rev/a41b8b4d0f8e
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1071943 - Disable intermittent failing test, TEST-UNEXPECTED-FAIL | /builds/slave/test/gaia/apps/communications/contacts/test/mar
ionette/ice_test.js | Contacts > ICE contacts ICE contacts Select ICE contact from search, go back to ICE settings a=nbotb
Bumping manifests a=b2g-bump