android
Returns the timezone ID that should be used when writing an event to the Android calendar provider or task providers.
Note: For date-times with a given time zone, it needs to be a system time zone. Call at.bitfire.synctools.icalendar.DatePropertyTzMapper.normalizedDate on dates coming from ical4j before calling this function.
Return
"UTC" for dates and UTC date-times - the specified time zone ID for date-times with given time zone - the currently set default time zone ID for floating date-times