Add missing includes.

Leaky header cleanup in libc++ means we don't get unistd.h
transitively any more.

Change-Id: I596c24eff418302b19afab6ad3caa55f52241e7c
diff --git a/adb/test_track_devices.cpp b/adb/test_track_devices.cpp
index f78daeb..6f658f6 100644
--- a/adb/test_track_devices.cpp
+++ b/adb/test_track_devices.cpp
@@ -1,12 +1,13 @@
 // TODO: replace this with a shell/python script.
 
 /* a simple test program, connects to ADB server, and opens a track-devices session */
-#include <netdb.h>
-#include <sys/socket.h>
-#include <stdio.h>
-#include <stdlib.h>
 #include <errno.h>
 #include <memory.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <unistd.h>
 
 #include <base/file.h>
 
diff --git a/init/service.cpp b/init/service.cpp
index 5c2a0cb..a370d25 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -20,6 +20,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <termios.h>
+#include <unistd.h>
 
 #include <selinux/selinux.h>