Cleanup transitive includes in the legacy inlines.

We don't want to be exposing so much through the headers for the
implementation details unless we have to.

Test: make checkbuild
Bug: None
Change-Id: Ieca9cd8106725e08887a3e9fde60d1eef64ef98b
diff --git a/libc/include/android/legacy_stdlib_inlines.h b/libc/include/android/legacy_stdlib_inlines.h
index e26e5f2..34a968c 100644
--- a/libc/include/android/legacy_stdlib_inlines.h
+++ b/libc/include/android/legacy_stdlib_inlines.h
@@ -29,13 +29,14 @@
 #ifndef _ANDROID_LEGACY_STDLIB_INLINES_H_
 #define _ANDROID_LEGACY_STDLIB_INLINES_H_
 
-#include <errno.h>
-#include <float.h>
-#include <stdlib.h>
 #include <sys/cdefs.h>
 
 #if __ANDROID_API__ < __ANDROID_API_L__
 
+#include <errno.h>
+#include <float.h>
+#include <stdlib.h>
+
 __BEGIN_DECLS
 
 static __inline float strtof(const char* nptr, char** endptr) {