NetworkStatsFactory.cpp: IWYU

Bug: 140330870
Test: N/A
Change-Id: Id6107c8a83b22ac56f4da61a5d5757d29ecb07ac
diff --git a/services/core/jni/com_android_server_net_NetworkStatsFactory.cpp b/services/core/jni/com_android_server_net_NetworkStatsFactory.cpp
index 9cd743b..8b6526f 100644
--- a/services/core/jni/com_android_server_net_NetworkStatsFactory.cpp
+++ b/services/core/jni/com_android_server_net_NetworkStatsFactory.cpp
@@ -20,6 +20,7 @@
 #include <inttypes.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <vector>
 
 #include <jni.h>