Merge "DO NOT MERGE) ExifInterface: Make saveAttributes throw an exception before change" into mnc-dev am: 987472290c am: bcc0e5a7ab am: 883a724193 am: ba9aa89cfe  -s ours am: 034401cfaf
am: 4443c42d7d

Change-Id: Iac823ef7d5c21d956760dfeac8c484db1a6a5ab1