Don't mirror check icon in RTL

The check icon for selection in the contact listwas inverted.
Now correct orientation (✅) is used in LTR and RTL.

Signed-off-by: Tim Krüger <t@timkrueger.me>

app/src/main/res/drawable/ic_check_black_24dp.xml

@@ -18,7 +18,7 @@
   ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
   -->
 
-<vector android:autoMirrored="true" android:height="24dp"
+<vector android:autoMirrored="false" android:height="24dp"
     android:viewportHeight="24.0" android:viewportWidth="24.0"
     android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
     <path android:fillColor="#FF000000" android:pathData="M9,16.17L4.83,12l-1.42,1.41L9,19 21,7l-1.41,-1.41z"/>