generateProjectThumbnail can fail to close output stream

In case of an excpetion the generateProjectThumbnail method
does not close the output stream used.

Move the closing of the stream to the finally block.

Change-Id: I417236ab1acf65bb97e40beb8a750035c25e436e

media/java/android/media/videoeditor/VideoEditorImpl.java

@@ -47,6 +47,8 @@ import android.os.Debug;
 import android.os.SystemProperties;
 import android.os.Environment;
 
+import libcore.io.IoUtils;
+
 /**
  * The VideoEditor implementation {@hide}
  */
@@ -1859,15 +1861,15 @@ public class VideoEditorImpl implements VideoEditor {
                 }
             }
 
+            FileOutputStream stream = null;
             try {
-                FileOutputStream stream = new FileOutputStream(mProjectPath + "/"
-                                                          + THUMBNAIL_FILENAME);
+                stream = new FileOutputStream(mProjectPath + "/" + THUMBNAIL_FILENAME);
                 projectBitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
                 stream.flush();
-                stream.close();
             } catch (IOException e) {
                 throw new IllegalArgumentException ("Error creating project thumbnail");
             } finally {
+                IoUtils.closeQuietly(stream);
                 projectBitmap.recycle();
             }
         }