Update comments

We no longer put the filename at start of file.

Change-Id: Ic435b159a23105681e3d4a6cb1ac097bc853302e
diff --git a/core/jni/android_media_ToneGenerator.cpp b/core/jni/android_media_ToneGenerator.cpp
index 0a337fa..544b4c0 100644
--- a/core/jni/android_media_ToneGenerator.cpp
+++ b/core/jni/android_media_ToneGenerator.cpp
@@ -1,4 +1,4 @@
-/* //device/libs/android_runtime/android_media_AudioSystem.cpp
+/*
  **
  ** Copyright 2008, The Android Open Source Project
  **