Fix check to remove Provision when flashing zip

* Google's SuW was renamed, but this check wasn't fixed

build/meta/com/google/android/update-binary

@@ -269,7 +269,7 @@ if [ -n "$SYSTEM_EXT_BLOCK" ]; then
   cp --preserve=a -r ./system_ext/* /system_ext
 fi
 
-if [ -e product/priv-app/SetupWizardPrebuilt ] ; then
+if [ -e product/priv-app/SetupWizard ] ; then
   rm -rf /system/system_ext/priv-app/Provision
 fi