Fix the overlap issue of MainSwitch and list view.

This issue happen on Developer and Wi-Fi pages, so the problem
should be solved on SettingsActivity.

Fix: 181341927
Test: Run robotest and see the ui
Change-Id: I57722cfcbeb6390c88101d808429346045e57c92

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -200,8 +200,6 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         mSwitchBar = ((SettingsActivity) getActivity()).getSwitchBar();
         mSwitchBar.setTitle(getContext().getString(R.string.developer_options_main_switch_title));
         mSwitchBar.show();
-        mSwitchBar.setTranslationZ(
-                getActivity().findViewById(R.id.main_content).getTranslationZ() + 1);
         mSwitchBarController = new DevelopmentSwitchBarController(
                 this /* DevelopmentSettings */, mSwitchBar, mIsAvailable,
                 getSettingsLifecycle());