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: 964da0f2b0
am: 9716cf1ea7  -s ours

Change-Id: I1233766d1745650354809a9a09397b2d21685a20