Add libc++ category which the TestDataFormatterLibcxxVBool.py patch I just cherry-picked in uses.
Add libc++ category which the TestDataFormatterLibcxxVBool.py
patch I just cherry-picked in uses.

(cherry picked from commit 6a9657e5faabc2baeeb8e828f8852cc7be3b9395)

apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb