Add null check since LauncherUserInfo can be null.

Bug: 319142187
Test: Manual
Flag: N/A. Crash in tests.
Change-Id: Iaa9fc1b8e7c2c09621d984bfdeb9012bcc479ef8
diff --git a/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java b/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
index 7113e49..3ebc8ed 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
@@ -80,6 +80,9 @@
                 if (android.os.Flags.allowPrivateProfile() && Flags.enablePrivateSpace()) {
                     LauncherApps launcherApps = context.getSystemService(LauncherApps.class);
                     LauncherUserInfo launcherUserInfo = launcherApps.getLauncherUserInfo(user);
+                    if (launcherUserInfo == null) {
+                        continue;
+                    }
                     // UserTypes not supported in Launcher are deemed to be the current
                     // Foreground User.
                     int userType = switch (launcherUserInfo.getUserType()) {