Fix build problems caused by commit:
422852ef5c0c2b0b5e031f80f480486df3d185a0 for non-linux hosts.

Change-Id: I00b9c99b9d9d072f19549b3a9970a27e75cd49b7
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
diff --git a/libcutils/sched_policy.c b/libcutils/sched_policy.c
index bc49e88..7c65843 100644
--- a/libcutils/sched_policy.c
+++ b/libcutils/sched_policy.c
@@ -26,7 +26,6 @@
 #include <fcntl.h>
 #include <cutils/sched_policy.h>
 #include <cutils/log.h>
-#include <linux/prctl.h>
 
 /* Re-map SP_DEFAULT to the system default policy, and leave other values unchanged.
  * Call this any place a SchedPolicy is used as an input parameter.
@@ -39,6 +38,7 @@
 
 #if defined(HAVE_ANDROID_OS) && defined(HAVE_SCHED_H) && defined(HAVE_PTHREADS)
 
+#include <linux/prctl.h>
 #include <sched.h>
 #include <pthread.h>