app_main missing include for sys/stat.h

app_main.c gets sys/stat.h inherited from
private/android_filesystem_config.h it should
not rely on this in the future. The intent is
to move fs_config function into libcutils and
thus deprecate any need for sys/stat.h in this
include file.

Bug: 19908228
Change-Id: I477b825e582742113f849aaa1df50c41e496b6f6

cmds/app_process/app_main.cpp

@@ -7,6 +7,12 @@
 
 #define LOG_TAG "appproc"
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/prctl.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
 #include <binder/IPCThreadState.h>
 #include <binder/ProcessState.h>
 #include <utils/Log.h>
@@ -17,11 +23,6 @@
 #include <android_runtime/AndroidRuntime.h>
 #include <private/android_filesystem_config.h>  // for AID_SYSTEM
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/prctl.h>
-
 namespace android {
 
 static void app_usage()