Network Reset should have a lockdown like Factory Reset.

bug:20332322
Change-Id: I7c61a011d11e89513757f112abf320bb2a785edb
(cherry picked from commit 94b038bbb291431a7b39611d72f206b07e839891)
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index edca4b8..e544112 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -4603,27 +4603,36 @@
     @Override
     public void factoryReset() {
         enforceConnectivityInternalPermission();
+
+        if (mUserManager.hasUserRestriction(UserManager.DISALLOW_NETWORK_RESET)) {
+            return;
+        }
+
         final int userId = UserHandle.getCallingUserId();
 
         // Turn airplane mode off
         setAirplaneMode(false);
 
-        // Untether
-        for (String tether : getTetheredIfaces()) {
-            untether(tether);
+        if (!mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_TETHERING)) {
+            // Untether
+            for (String tether : getTetheredIfaces()) {
+                untether(tether);
+            }
         }
 
-        // Turn VPN off
-        VpnConfig vpnConfig = getVpnConfig(userId);
-        if (vpnConfig != null) {
-            if (vpnConfig.legacy) {
-                prepareVpn(VpnConfig.LEGACY_VPN, VpnConfig.LEGACY_VPN, userId);
-            } else {
-                // Prevent this app (packagename = vpnConfig.user) from initiating VPN connections
-                // in the future without user intervention.
-                setVpnPackageAuthorization(vpnConfig.user, userId, false);
+        if (!mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_VPN)) {
+            // Turn VPN off
+            VpnConfig vpnConfig = getVpnConfig(userId);
+            if (vpnConfig != null) {
+                if (vpnConfig.legacy) {
+                    prepareVpn(VpnConfig.LEGACY_VPN, VpnConfig.LEGACY_VPN, userId);
+                } else {
+                    // Prevent this app (packagename = vpnConfig.user) from initiating VPN connections
+                    // in the future without user intervention.
+                    setVpnPackageAuthorization(vpnConfig.user, userId, false);
 
-                prepareVpn(vpnConfig.user, VpnConfig.LEGACY_VPN, userId);
+                    prepareVpn(vpnConfig.user, VpnConfig.LEGACY_VPN, userId);
+                }
             }
         }
     }