Maybe fix issue #8620910: Win_sdk build failed and unable to create...

...the sdk platform repo

Change-Id: Ib6cd7c0dfb9b6217ae79af3e2ac25fe0442996e3
diff --git a/libs/androidfw/AssetManager.cpp b/libs/androidfw/AssetManager.cpp
index e0d96c9..b08c36b 100644
--- a/libs/androidfw/AssetManager.cpp
+++ b/libs/androidfw/AssetManager.cpp
@@ -33,7 +33,9 @@
 #include <utils/threads.h>
 #include <utils/Timers.h>
 #include <utils/ZipFileRO.h>
+#ifdef HAVE_ANDROID_OS
 #include <cutils/trace.h>
+#endif
 
 #include <assert.h>
 #include <dirent.h>