DcTracker: Only retrieve records when we're either RUIM or CdmaLte AND subscribing from NV

Change-Id: I498097440d62ad6c9e04497085a63ede894fb5d8
Merge "DcTracker: Only retrieve records when we're either RUIM or CdmaLte AND subscribing from NV" into cm-10.2
Merge branch 'cm-10.2' into martincz