Annotate test that fails on the FreeBSD buildbot

llvm.org/pr17807


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@195361 91177308-0d34-0410-b5e6-96231b3b80d8
Update cmake for SBPlatform.cpp added in r195273



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@195362 91177308-0d34-0410-b5e6-96231b3b80d8