Check that the PREF64 RA option is passed through.

Bug: 150648313
Test: ROOTFS=net_test.rootfs.amd64.buster.20200129 ../net_test/run_net_test.sh
Change-Id: I692441eeae3515f99ebf311d5b0cd778e95081f9
Merged-In: I692441eeae3515f99ebf311d5b0cd778e95081f9
3 files changed
tree: c5180c6ffb91d95c2e7ca4cafdb1c3cd011fe3f8
  1. devicetree/
  2. net/
  3. Android.bp