@Synchronized fun getActivePurchasesNotInCache(activeSubsByTheirHashedToken: Map<String, PurchaseWrapper>, activeInAppsByTheirHashedToken: Map<String, PurchaseWrapper>): List<PurchaseWrapper>
Returns a list containing all tokens that are in activeSubsByTheirHashedToken and activeInAppsByTheirHashedToken map that are not present in the device cache. In other words, returns all hashed tokens that are active and have not been posted to our backend yet.