Hide an old debug function.

Change-Id: I8c44032c47aeda1da97a214c79bc47c1e38e9d4e
diff --git a/api/20.txt b/api/20.txt
index 5e6d9bb..23682f0 100644
--- a/api/20.txt
+++ b/api/20.txt
@@ -26170,7 +26170,6 @@
     method public final java.lang.CharSequence coerceToString();
     method public static final java.lang.String coerceToString(int, int);
     method public static float complexToDimension(int, android.util.DisplayMetrics);
-    method public static float complexToDimensionNoisy(int, android.util.DisplayMetrics);
     method public static int complexToDimensionPixelOffset(int, android.util.DisplayMetrics);
     method public static int complexToDimensionPixelSize(int, android.util.DisplayMetrics);
     method public static float complexToFloat(int);