Bug 927348 - Write a test to import from VCF file on SD card
Bug 927029 - Write a test for exporting contacts to SD Card, r=zac

Conflicts:
	tests/python/gaia-ui-tests/gaiatest/gaia_test.py
Merge pull request #13320 from bobsilverberg/cp927029

Bug 934227 - [v1.2] Uplift contact import and export tests from master