misc: update copyright date

Change-Id: I0813c17c7afe5331c7288ced15266b9e033f845e
diff --git a/AudioFilter/FilterMediaHandler.cpp b/AudioFilter/FilterMediaHandler.cpp
index 818b2ff..e04a603 100644
--- a/AudioFilter/FilterMediaHandler.cpp
+++ b/AudioFilter/FilterMediaHandler.cpp
@@ -1,5 +1,5 @@
 /**
- *  Copyright (C) 2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2020-2021 Savoir-faire Linux Inc.
  *
  *  Author: Aline Gondim Santos <aline.gondimsantos@savoirfairelinux.com>
  *