Add Switzerland to country enum (EXPOSUREAPP-5282) #2535

* Adjust flag ImageView so that the quadratic flag of switzerland is not taller than the other flags

* Change country flag resource of Switzerland

Corona-Warn-App/src/main/res/drawable/ic_country_ch.xml

 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="16dp"
-    android:height="16dp"
-    android:viewportWidth="16"
-    android:viewportHeight="16">
-  <group>
-    <clip-path
-        android:pathData="M0,0h16v16h-16z"/>
+    android:width="18dp"
+    android:height="18dp"
+    android:viewportWidth="18"
+    android:viewportHeight="18">
     <path
-        android:pathData="M0,0l16,0l0,16l-16,0z"
-        android:strokeWidth="1"
-        android:fillColor="#FF3D00"
-        android:fillType="nonZero"
-        android:strokeColor="#00000000"/>
+        android:pathData="M0,0h17.6763v17.5h-17.6763z"
+        android:fillColor="#EC3237" />
     <path
-        android:pathData="M6.3636,3.2727l3.2727,0l0,9.8182l-3.2727,0z"
-        android:strokeWidth="1"
-        android:fillColor="#EDF0F2"
-        android:fillType="nonZero"
-        android:strokeColor="#00000000"/>
+        android:pathData="M7.097,2.9082h3.4824v11.7695h-3.4824z"
+        android:fillColor="#ffffff" />
     <path
-        android:pathData="M3.0909,6.5455l9.8182,0l0,3.2727l-9.8182,0z"
-        android:strokeWidth="1"
-        android:fillColor="#EDF0F2"
-        android:fillType="nonZero"
-        android:strokeColor="#00000000"/>
-  </group>
-</vector>
+        android:pathData="M2.8571,10.6265l0,-3.4824l11.7695,-0l0,3.4824z"
+        android:fillColor="#ffffff" />
+</vector>
\ No newline at end of file

Corona-Warn-App/src/main/res/layout/view_country_list_entry_flag_item.xml

@@ -2,7 +2,7 @@
 <ImageView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/country_list_entry_image"
-    android:layout_width="28dp"
+    android:layout_width="wrap_content"
     android:layout_height="28dp"
     android:layout_margin="4dp"
     app:srcCompat="@drawable/ic_country_eu" />