Add convenience instructions to quickly update Phonemetadata.java (#1309)
Add convenience instructions to quickly update Phonemetadata.java (#1309)


keghani/libphonenumber,google/libphonenumber,google/libphonenumber,google/libphonenumber,keghani/libphonenumber,google/libphonenumber,google/libphonenumber,keghani/libphonenumber,keghani/libphonenumber,google/libphonenumber,keghani/libphonenumber