Rename net_host_resolver_impl_fuzzer -> net_host_resolver_manager_fuzzer

Update test specs to match rename at http://crrev.com/c/1483691

R=jbudorick,ericorth,liaoyuke,sajjadm
NOTRY=true

Change-Id: I4875c7e7fb4cd51249b28fccc5ffd6dc91d8e854
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1515905
Commit-Queue: Roberto Carrillo <robertocn@chromium.org>
Reviewed-by: Eric Orth <ericorth@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Yuke Liao <liaoyuke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#639961}
3 files changed