fun find(names: List<String> = emptyList(), filterPredicate: (GattConnection) -> Boolean = { true }): Single<List<GattConnection>>
Finds known GattConnections matching given device names and filterPredicate filter
names - list of device names to match, if empty known connections will not be filtered by device names
filterPredicate - filter to apply to known GattConnection, if no predicate provided will return all known connections
Return
Returns a Single that will emit all known GattConnection