Fix upsync of DAILY rrule with UNTIL

* Make sure we send UNTIL with FREQ=DAILY as appropriate
* Also to help debug this in the future...
    Add logging capability to utilities via SyncManager
    Add public log methods so that CalendarUtilities can log properly
    Change Log.d's to SyncManager.log in CalendarUtilities

Bug: 2623787
Change-Id: I3d651f00a3f7522e25c8d6e389469770c733953f
2 files changed