ExifInterface: Update javadoc for saveAttributes

am: abf5b4cbf3

Change-Id: Icdd289f513f2a576b50d0f3ddf278a1c1710d8b5

media/java/android/media/ExifInterface.java

@@ -1554,6 +1554,11 @@ public class ExifInterface {
      * copying all the data from one file to another and deleting the old file and renaming the
      * other. It's best to use {@link #setAttribute(String,String)} to set all attributes to write
      * and make a single call rather than multiple calls for each attribute.
+     * <p>
+     * This method is only supported for JPEG files.
+     * </p>
+     *
+     * @throws UnsupportedOperationException If this method is called with unsupported files.
      */
     public void saveAttributes() throws IOException {
         if (!mIsSupportedFile || mIsRaw) {