Fix a bug where the wrong profile is queried

UserManager#isManagedProfile() is not aware of the user
handle of the context the UM instance is created on.
Instead, call isManagedProfile(int).

Bug: 183625645
Test: ConnectivityServiceTest
Change-Id: I1fef22d67d75df25a8c2d0694f857c3e1c1a1306

services/core/java/com/android/server/ConnectivityService.java

@@ -9211,14 +9211,8 @@ public class ConnectivityService extends IConnectivityManager.Stub
             throw new IllegalArgumentException("Must explicitly specify a user handle ("
                     + "UserHandle.CURRENT not supported)");
         }
-        final UserManager um;
-        try {
-            um = mContext.createContextAsUser(profile, 0 /* flags */)
-                    .getSystemService(UserManager.class);
-        } catch (IllegalStateException e) {
-            throw new IllegalArgumentException("Profile does not exist");
-        }
-        if (!um.isManagedProfile()) {
+        final UserManager um = mContext.getSystemService(UserManager.class);
+        if (!um.isManagedProfile(profile.getIdentifier())) {
             throw new IllegalArgumentException("Profile must be a managed profile");
         }
         // Strictly speaking, mOemNetworkPreferences should only be touched on the

tests/net/java/com/android/server/ConnectivityServiceTest.java

@@ -572,6 +572,7 @@ public class ConnectivityServiceTest {
             final UserManager umMock = createContextAsUser(userHandle, 0 /* flags */)
                     .getSystemService(UserManager.class);
             doReturn(value).when(umMock).isManagedProfile();
+            doReturn(value).when(mUserManager).isManagedProfile(eq(userHandle.getIdentifier()));
         }
 
         @Override