apns-conf: Add QUAM APNs

QUAM is a new MVNO in Argentina, using the Movistar network.

Change-Id: Iaf4ee56174a4c886d3f4fbfe2ba27eb39dedfc15
Merge "apns-conf: Add QUAM APNs" into cm-11.0
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0