Merge "Add some more public doc for MacAddress" am: 758d6bd8

 * Representation of a MAC address.

 *

 * This class only supports 48 bits long addresses and does not support 64 bits long addresses.

 * Instances of this class are immutable.

 * Instances of this class are immutable. This class provides implementations of hashCode()

 * and equals() that make it suitable for use as keys in standard implementations of

 * {@link java.util.Map}.

 */

public final class MacAddress implements Parcelable {

    }

    /**

     * Convert this MacAddress to a byte array.

     *

     * The returned array is in network order. For example, if this MacAddress is 1:2:3:4:5:6,

     * the returned array is [1, 2, 3, 4, 5, 6].

     *

     * @return a byte array representation of this MacAddress.

     */

    public @NonNull byte[] toByteArray() {

        return byteAddrFromLongAddr(mAddr);

    }

    /**

     * Returns a human-readable representation of this MacAddress.

     * The exact format is implementation-dependent and should not be assumed to have any

     * particular format.

     */

    @Override

    public @NonNull String toString() {

        return stringAddrFromLongAddr(mAddr);