Bug 959107 - TypeError: conn.setRoamingPreference is not a function
Merge pull request #15262 from KevinGrandon/bug_959107_mobile_conn_shim

Bug 959107 - TypeError: conn.setRoamingPreference is not a function r=me
Bug 959280 - Bump gaiatest to 0.21.3, r=bsilverberg
Merge pull request #15266 from jonallengriffin/gaiatest

Bug 959280 - Bump gaiatest to 0.21.3, r=bsilverberg
Revert gaia integration breake since bug 917717. a=bustage

exec-sync NodeJS module fail to build.