Linux test case fixes
- missing includes in cpp test programs
- mismatched dwarf/dsym test cases
- make "com.apple.main-thread" expected string conditional on darwin platform



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@168452 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed