tree d05ef8df0c71459cd27909266162bba7ce0821ee
parent f7b9f84f87a41149c5aa302bfc9ecdd4777fd394
author Sungsoo <sungsoo@google.com> 1473318284 +0900
committer Sungsoo Lim <sungsoo@google.com> 1473318664 +0000

DO NOT MERGE) ExifInterface: Make saveAttributes throw an exception before change

ExifInterface object can be created with a unsupported file format.
If saveAttribute is called with an unsupported file format, ExifInterface
makes the file corrupted. This CL prevents those cases by throwing
an exception before making any change on the file.

Bug: 30936376
Change-Id: I915f56b00ec9422b53591ac5534e070a1d6798e6