Bug 910579 - Proxy and port values for automatic APN are not set for Movistar Spain SIMs

See bug https://bugzilla.mozilla.org/show_bug.cgi?id=910579 please.

This bug will only land on v1-train and v1.1.0hd branches. See https://bugzilla.mozilla.org/show_bug.cgi?id=910579#c7 please.