tree a22c46793cea79678b1c060c2f4eab71229aeac6
parent 73b4980eb6ad2cdf39629f30f5fb8b75537c4bc1
author Junxiao Shi <git@mail1.yoursunny.com> 1558770781 +0000
committer Junxiao Shi <git@mail1.yoursunny.com> 1558770781 +0000

tools: set CanBePrefix in autoconfig

Also, rewrite RoutablePrefixesDataset test suite to use
SegmentFetcher.

refs #4581

Change-Id: I68e0ffcd59dcbae0856bfa2977545f06482f3515