system/core Replace cutils/log.h with android/log.h

Should use android/log.h instead of cutils/log.h as a good example
to all others.  Adjust header order to comply with Android Coding
standards.

Test: Compile
Bug: 26552300
Bug: 31289077
Change-Id: I2c9cbbbd64d8dccf2d44356361d9742e4a9b9031
diff --git a/libnetutils/dhcpclient.c b/libnetutils/dhcpclient.c
index 240a789..d17bdd3 100644
--- a/libnetutils/dhcpclient.c
+++ b/libnetutils/dhcpclient.c
@@ -14,27 +14,25 @@
  * limitations under the License.
  */
 
-#include <stdio.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-
-#include <time.h>
-#include <sys/time.h>
-#include <poll.h>
-
-#include <sys/socket.h>
-#include <sys/select.h>
-#include <sys/types.h>
-#include <netinet/in.h>
-
-#include <cutils/properties.h>
 #define LOG_TAG "DHCP"
-#include <cutils/log.h>
 
 #include <dirent.h>
+#include <errno.h>
+#include <poll.h>
+#include <netinet/in.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <android/log.h>
+#include <cutils/properties.h>
 
 #include <netutils/ifc.h>
 #include "dhcpmsg.h"