Group some Security settings to a separate "Advanced settings" screen

Test: adb shell am start -a android.settings.SECURITY_SETTINGS opens Advanced
Security Settings screen
Test: atest SettingsUnitTests:SecurityAdvancedSettingsTest
Test: atest SettingsUnitTests:SecurityAdvancedSettingsControllerTest

Bug: 204416998

Change-Id: If9c6da812ffb7c046b3b00a084007950801e1d4f
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 96f362c..899c5d1 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -190,6 +190,8 @@
             return alternativeFragmentClassname;
         }
     }
+    /** Activity for the Advanced security settings. */
+    public static class SecurityAdvancedSettings extends SettingsActivity { /* empty */ }
     public static class UsageAccessSettingsActivity extends SettingsActivity { /* empty */ }
     public static class AppUsageAccessSettingsActivity extends SettingsActivity { /* empty */ }
     public static class LocationSettingsActivity extends SettingsActivity { /* empty */ }