Merge "Use Option.ofNullable instead of Optional.of"

              Channel.builder()

                  .setNumber(number)

                  .setPhoneType(cursor.getInt(POSITION_PHONE_TYPE))

                  .setLabel(Optional.of(cursor.getString(POSITION_PHONE_LABEL)).or(""))

                  .setLabel(Optional.fromNullable(cursor.getString(POSITION_PHONE_LABEL)).or(""))

                  .setTechnology(cursor.getInt(POSITION_PHONE_TECHNOLOGY))

                  .build();

        }