DO NOT MERGE) ExifInterface: Provide backward compatibility

am: 87a9ac70c3

Change-Id: I6639c6763ee1f7d83d03cc6d5fa11cbf1516e7cc

media/java/android/media/ExifInterface.java

@@ -1367,8 +1367,7 @@ public class ExifInterface {
      */
     public void saveAttributes() throws IOException {
         if (!mIsSupportedFile) {
-            throw new UnsupportedOperationException(
-                    "ExifInterface only supports saving attributes on JPEG formats.");
+            throw new IOException("ExifInterface only supports saving attributes on JPEG formats.");
         }
         // Keep the thumbnail in memory
         mThumbnailBytes = getThumbnail();