Move logic for FR in demo mode out of Settings

Bug: 62712426
Test: make \
ROBOTEST_FILTER="(MasterClearTest|FactoryResetPreferenceControllerTest
|UtilsTest)" \
RunSettingsRoboTests -j100
Change-Id: I5e287c3d4a6a7050bda78187c52aec19e90b50bc

tests/robotests/src/com/android/settings/MasterClearTest.java

@@ -27,6 +27,7 @@ import static org.robolectric.Shadows.shadowOf;
 import android.app.Activity;
 import android.app.Fragment;
 import android.content.ContentResolver;
+import android.content.Intent;
 import android.os.Bundle;
 import android.provider.Settings;
 import android.view.LayoutInflater;
@@ -36,6 +37,8 @@ import android.widget.LinearLayout;
 import android.widget.ScrollView;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.SettingsShadowResources;
+import com.android.settings.testutils.shadow.ShadowUtils;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -43,11 +46,10 @@ import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.Robolectric;
+import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 import org.robolectric.shadows.ShadowActivity;
 
-
-
 @RunWith(SettingsRobolectricTestRunner.class)
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
 public class MasterClearTest {
@@ -167,6 +169,22 @@ public class MasterClearTest {
         assertThat(mMasterClear.hasReachedBottom(mScrollView)).isTrue();
     }
 
+    @Test
+    @Config(shadows = { ShadowUtils.class, SettingsShadowResources.class })
+    public void testInitiateMasterClear_inDemoMode_sendsIntent() {
+        SettingsShadowResources.overrideResource(
+            com.android.internal.R.string.config_demoModePackage, "package");
+
+        ShadowUtils.setIsDemoUser(true);
+
+        mMasterClear.mInitiateListener.onClick(
+                mContentView.findViewById(R.id.initiate_master_clear));
+        final Intent intent = mShadowActivity.getNextStartedActivity();
+        assertThat(Intent.ACTION_FACTORY_RESET).isEqualTo(intent.getAction());
+        final String packageName = Utils.getDemoModePackageName(RuntimeEnvironment.application);
+        assertThat(packageName).isEqualTo(intent.getPackage());
+    }
+
     private void initScrollView(int height, int scrollY, int childBottom) {
         when(mScrollView.getHeight()).thenReturn(height);
         when(mScrollView.getScrollY()).thenReturn(scrollY);