Support adding private profiles when parent user can have private profiles

Author: quh4gko8

services/core/java/com/android/server/pm/UserManagerService.java

@@ -3043,7 +3043,9 @@ public boolean canAddPrivateProfile(@UserIdInt int userId) {
         return isUserTypeEnabled(USER_TYPE_PROFILE_PRIVATE)
                 && canAddMoreProfilesToUser(USER_TYPE_PROFILE_PRIVATE,
                     userId, /* allowedToRemoveOne */ false)
-                && (parentUserInfo != null && parentUserInfo.isMain())
+                && (parentUserInfo != null
+                && (parentUserInfo.isMain()
+                || parentUserInfo.canHaveProfileOfType(USER_TYPE_PROFILE_PRIVATE)))
                 && doesDeviceHardwareSupportPrivateSpace()
                 && !hasUserRestriction(UserManager.DISALLOW_ADD_PRIVATE_PROFILE, userId);
     }