Merge "Always startOrMigrate connection when caps change" am: 5288559979

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2514996

Change-Id: Ib3dfb94a404d96ec89fba491b7656c2f152a401f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

services/core/java/com/android/server/connectivity/Vpn.java

@@ -3744,12 +3744,10 @@ public class Vpn {
                     + mUnderlyingNetworkCapabilities + " to " + nc);
             final NetworkCapabilities oldNc = mUnderlyingNetworkCapabilities;
             mUnderlyingNetworkCapabilities = nc;
-            if (oldNc == null) {
-                // A new default network is available.
+            if (oldNc == null || !nc.getSubscriptionIds().equals(oldNc.getSubscriptionIds())) {
+                // A new default network is available, or the subscription has changed.
+                // Try to migrate the session, or failing that, start a new one.
                 startOrMigrateIkeSession(mActiveNetwork);
-            } else if (!nc.getSubscriptionIds().equals(oldNc.getSubscriptionIds())) {
-                // Renew carrierConfig values.
-                maybeMigrateIkeSessionAndUpdateVpnTransportInfo(mActiveNetwork);
             }
         }