DO NOT MERGE) ExifInterface: Make saveAttributes throw an exception before change am: aebe2347a7  -s ours am: 3af57850a0 am: c17e29076e am: ca88e604e4  -s ours am: 14bc23be74
am: 2418ef1313

Change-Id: I21056ca0c2858c4414fe3c11d70d96b9fb9a8c57