Set ro.product.vndk.version for VNDK v35

Until we have updated art mainline module, we must provide
ro.product.vndk.version to use product namespace for product apks.

This can be removed when art mainline module is updated.

Bug: 308676119
Test: See if product apps uses product-clns namespace in
      cf_x86_64_phone-next-userdebug
Change-Id: I5030fb0f82c80e0cb94c89179e6c71df119368da