namespace does not need a closing semicolon

Change-Id: Ie8f9d42fc061f6d558f23b98414e04eb3d14b376
diff --git a/media/libmedia/AudioEffect.cpp b/media/libmedia/AudioEffect.cpp
index af103c1..7d8222f 100644
--- a/media/libmedia/AudioEffect.cpp
+++ b/media/libmedia/AudioEffect.cpp
@@ -486,4 +486,4 @@
 }
 
 
-}; // namespace android
+} // namespace android