Do not display clone apps in launcher work tab.

This change is only for dogfooding and will not be part of android release.
Guarded by feature flag.

Test: manual
Bug: 266177840
Change-Id: Iee416b43e0864b98f08149c46b7d011271ba8de6

src/com/android/launcher3/allapps/WorkProfileManager.java

@@ -44,12 +44,14 @@ import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.allapps.BaseAllAppsAdapter.AdapterItem;
+import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.workprofile.PersonalWorkSlidingTabStrip;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.function.Predicate;
 
@@ -93,7 +95,11 @@ public class WorkProfileManager implements PersonalWorkSlidingTabStrip.OnActiveP
             StatsLogManager statsLogManager) {
         mUserManager = userManager;
         mAllApps = allApps;
-        mMatcher = mAllApps.mPersonalMatcher.negate();
+        if (FeatureFlags.ENABLE_APP_CLONING_CHANGES_IN_LAUNCHER.get()) {
+            mMatcher = ofWorkProfileUser(userManager);
+        } else {
+            mMatcher = mAllApps.mPersonalMatcher.negate();
+        }
         mStatsLogManager = statsLogManager;
     }
 
@@ -260,4 +266,27 @@ public class WorkProfileManager implements PersonalWorkSlidingTabStrip.OnActiveP
             }
         };
     }
+
+    /**
+     * Filter to only display apps in managed profile in work tab.
+     */
+    private Predicate<ItemInfo> ofWorkProfileUser(UserManager um) {
+        return info -> info != null && isManagedProfile(um, info.user.hashCode());
+    }
+
+
+    private static boolean isManagedProfile(UserManager um, int userId) {
+        try {
+            // isManagedProfile is a @SystemApi.
+            String methodName = "isManagedProfile";
+            Method method = um.getClass().getDeclaredMethod(methodName, int.class);
+            Object result = method.invoke(um, userId);
+            if (result instanceof Boolean) {
+                return (boolean) result;
+            }
+        } catch (Exception e) {
+            Log.e(TAG, "Failed to call #isManagedProfile via reflection from Launcher");
+        }
+        return false;
+    }
 }