Add the ability for a ClangASTType to be marked as 'packed' when constructed

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@220891 91177308-0d34-0410-b5e6-96231b3b80d8
Remove unused service plist.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@220892 91177308-0d34-0410-b5e6-96231b3b80d8
Start adopting the StringPrinter API. The StringPrinter API is the new blessed way of printing strings that supports escaping non-printables, and has better handling of different UTF encodings

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@220894 91177308-0d34-0410-b5e6-96231b3b80d8