Remove new task flag when launching unicorn enrollment.

Bug: 196103931
Test: manual (enroll via settings)
Change-Id: I35aae96e4ebb0c13bc567bb926f2e7a549f554ba

packages/SettingsLib/src/com/android/settingslib/enterprise/BiometricActionDisabledByAdminController.java

@@ -65,7 +65,6 @@ public class BiometricActionDisabledByAdminController extends BaseActionDisabled
             Log.d(TAG, "Positive button clicked, component: " + enforcedAdmin.component);
             final Intent intent = new Intent(ACTION_LEARN_MORE)
                     .putExtra(EXTRA_SETTING_KEY, EXTRA_SETTING_VALUE)
-                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
                     .setPackage(enforcedAdmin.component.getPackageName());
             context.startActivity(intent);
         };