Add flag guard and fix test

Bug: 317159160
Test: atest ApplicationsStateTest
Change-Id: If10300b88f9ef6c9f16d3dfdea870304327399a5
diff --git a/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java b/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java
index 249fa7f..e489bc5 100644
--- a/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java
+++ b/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java
@@ -1702,7 +1702,8 @@
         }
 
         public boolean isPrivateProfile() {
-            return UserManager.USER_TYPE_PROFILE_PRIVATE.equals(mProfileType);
+            return android.os.Flags.allowPrivateProfile()
+                    && UserManager.USER_TYPE_PROFILE_PRIVATE.equals(mProfileType);
         }
 
         /**
diff --git a/packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/ApplicationsStateTest.java b/packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/ApplicationsStateTest.java
index 213a66e..1ad7d49 100644
--- a/packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/ApplicationsStateTest.java
+++ b/packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/ApplicationsStateTest.java
@@ -22,21 +22,30 @@
 import static org.mockito.Mockito.when;
 
 import android.content.pm.ApplicationInfo;
+import android.os.Flags;
 import android.os.UserManager;
+import android.platform.test.flag.junit.SetFlagsRule;
+
+import androidx.test.core.app.ApplicationProvider;
 
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
 @RunWith(JUnit4.class)
 public class ApplicationsStateTest {
+    private static final int APP_ENTRY_ID = 1;
     private ApplicationsState.AppEntry mEntry;
+    @Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
 
     @Before
     public void setUp() {
-        mEntry = mock(ApplicationsState.AppEntry.class);
-        mEntry.info = mock(ApplicationInfo.class);
+        mEntry = new ApplicationsState.AppEntry(
+                ApplicationProvider.getApplicationContext(),
+                mock(ApplicationInfo.class),
+                APP_ENTRY_ID);
     }
 
     @Test
@@ -310,6 +319,8 @@
 
     @Test
     public void testPrivateProfileFilterDisplaysCorrectApps() {
+        mSetFlagsRule.enableFlags(Flags.FLAG_ALLOW_PRIVATE_PROFILE);
+
         mEntry.showInPersonalTab = true;
         mEntry.mProfileType = UserManager.USER_TYPE_FULL_SYSTEM;
         assertThat(ApplicationsState.FILTER_PERSONAL.filterApp(mEntry)).isTrue();
@@ -320,4 +331,14 @@
         assertThat(ApplicationsState.FILTER_PERSONAL.filterApp(mEntry)).isFalse();
         assertThat(ApplicationsState.FILTER_PRIVATE_PROFILE.filterApp(mEntry)).isTrue();
     }
+
+    @Test
+    public void testPrivateProfileFilterDisplaysCorrectAppsWhenFlagDisabled() {
+        mSetFlagsRule.disableFlags(Flags.FLAG_ALLOW_PRIVATE_PROFILE);
+
+        mEntry.showInPersonalTab = false;
+        mEntry.mProfileType = UserManager.USER_TYPE_PROFILE_PRIVATE;
+        assertThat(ApplicationsState.FILTER_PERSONAL.filterApp(mEntry)).isFalse();
+        assertThat(ApplicationsState.FILTER_PRIVATE_PROFILE.filterApp(mEntry)).isFalse();
+    }
 }