CHROMIUM: include sys/sysmacros.h for major/minor APIs

Newer glibc moved these includes around.

Change-Id: I08075c75f205e0dd4e8fad228e0df5809e5ad155
diff --git a/init/tests/test_job_process.c b/init/tests/test_job_process.c
index 0fb7eb7..dfa9772 100644
--- a/init/tests/test_job_process.c
+++ b/init/tests/test_job_process.c
@@ -29,6 +29,7 @@
 #include <sys/stat.h>
 #include <sys/wait.h>
 #include <sys/ptrace.h>
+#include <sys/sysmacros.h>
 
 #include <time.h>
 #include <stdio.h>