Clear Linux terminal app when disabled

Bug: 374032310
Test: Manual, T/H
Flag: Build.RELEASE_AVF_SUPPORT_CUSTOM_VM_WITH_PARAVIRTUALIZED_DEVICES
Change-Id: Id56f98cf90b0598111baa3096b1b81307ebb99a3

res/xml/linux_terminal_settings.xml

@@ -24,4 +24,10 @@
         android:title="@string/enable_linux_terminal_summary"
         settings:controller="com.android.settings.development.linuxterminal.EnableLinuxTerminalPreferenceController" />
 
+    <com.android.settingslib.widget.FooterPreference
+        android:key="disable_linux_terminal_footer"
+        android:title="@string/disable_linux_terminal_disclaimer"
+        android:selectable="false"
+        settings:searchable="false"/>
+
 </PreferenceScreen>

src/com/android/settings/development/linuxterminal/EnableLinuxTerminalPreferenceController.java

@@ -95,6 +95,10 @@ public class EnableLinuxTerminalPreferenceController extends BasePreferenceContr
                         ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
                         : PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
         mPackageManager.setApplicationEnabledSetting(mTerminalPackageName, state, /* flags= */ 0);
+        if (!isChecked) {
+            mPackageManager.clearApplicationUserData(
+                    mTerminalPackageName, /* observer= */ null);
+        }
     }
 
     @Override

tests/robotests/src/com/android/settings/development/linuxterminal/EnableLinuxTerminalPreferenceControllerTest.java

@@ -139,6 +139,8 @@ public class EnableLinuxTerminalPreferenceControllerTest {
                         mTerminalPackageName,
                         PackageManager.COMPONENT_ENABLED_STATE_DEFAULT,
                         /* flags= */ 0);
+
+        verify(mPackageManager).clearApplicationUserData(mTerminalPackageName, null);
     }
 
     @Test