Fix Bottom Navigation Accessibility issue on API 27+

coreui/src/main/res/values-v23/styles.xml

@@ -7,10 +7,11 @@
   ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   ~ Created by Lunabee Studio / Date - 2020/04/05 - for the STOP-COVID project
   -->
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools">
 
     <style name="Theme.StopCovid" parent="Theme.Base.StopCovid">
         <item name="android:statusBarColor">@android:color/transparent</item>
         <item name="android:windowLightStatusBar">true</item>
+        <item name="android:windowLightNavigationBar" tools:targetApi="o_mr1">false</item>
     </style>
 </resources>