kill HAVE_PTHREADS.

Bug: 19083585
Change-Id: Ib466949bb6cd6d1bbc4680e989f0f9fae62ca564
diff --git a/libs/hwui/renderthread/RenderThread.cpp b/libs/hwui/renderthread/RenderThread.cpp
index 403e164..9dfe75e 100644
--- a/libs/hwui/renderthread/RenderThread.cpp
+++ b/libs/hwui/renderthread/RenderThread.cpp
@@ -16,10 +16,8 @@
 
 #include "RenderThread.h"
 
-#if defined(HAVE_PTHREADS)
-#include <sys/resource.h>
-#endif
 #include <gui/DisplayEventReceiver.h>
+#include <sys/resource.h>
 #include <utils/Log.h>
 
 #include "../RenderState.h"
@@ -245,9 +243,7 @@
 }
 
 bool RenderThread::threadLoop() {
-#if defined(HAVE_PTHREADS)
     setpriority(PRIO_PROCESS, 0, PRIORITY_DISPLAY);
-#endif
     initThreadLocals();
 
     int timeoutMillis = -1;