SUW: add accessibility settings to welcome page

Added icon is from https://materialdesignicons.com/.

Change-Id: I21daa20c59f3deb7ef862fdbe7f7ce9262094c9a

src/org/lineageos/setupwizard/WelcomeActivity.java

@@ -42,6 +42,8 @@ public class WelcomeActivity extends BaseSetupWizardActivity {
         findViewById(R.id.start).setOnClickListener(view -> onNextPressed());
         findViewById(R.id.emerg_dialer)
                 .setOnClickListener(view -> startEmergencyDialer());
+        findViewById(R.id.launch_accessibility)
+                .setOnClickListener(view -> startAccessibilitySettings());
         mEnableAccessibilityController =
                 EnableAccessibilityController.getInstance(getApplicationContext());
         mRootView.setOnTouchListener((v, event) ->