Revert "Fix crash of starting private app info pages for LS"

This reverts commit f9fabeae1c.

Reason for revert: Java crash when trying to open Settings on secondary user

Bug: 336697633
Bug: 337044085
Change-Id: I0c6793ce2a28294c093c9786cecddd19bd643141

src/com/android/settings/homepage/SettingsHomepageActivity.java

@@ -204,7 +204,7 @@ public class SettingsHomepageActivity extends FragmentActivity implements
         if (mIsEmbeddingActivityEnabled) {
             final UserManager um = getSystemService(UserManager.class);
             final UserInfo userInfo = um.getUserInfo(getUserId());
-            if (!userInfo.isMain()) {
+            if (userInfo.isManagedProfile()) {
                 final Intent intent = new Intent(getIntent())
                         .addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT)
                         .putExtra(EXTRA_USER_HANDLE, getUser())