Move bionic_macros.h from private to platform.

Test: treehugger
Change-Id: Ie473914f4c8924c7240b3ac22093a9daf42fc948
diff --git a/libc/malloc_debug/PointerData.cpp b/libc/malloc_debug/PointerData.cpp
index b1e28b7..4f81ff7 100644
--- a/libc/malloc_debug/PointerData.cpp
+++ b/libc/malloc_debug/PointerData.cpp
@@ -43,7 +43,7 @@
 
 #include <android-base/stringprintf.h>
 #include <android-base/thread_annotations.h>
-#include <private/bionic_macros.h>
+#include <platform/bionic/macros.h>
 
 #include "Config.h"
 #include "DebugData.h"