Add support for DW_OP_piece and DW_OP_bit_piece.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@201268 91177308-0d34-0410-b5e6-96231b3b80d8
Fixed the functionalities/abbreviation/TestAbbreviations.py test case.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@201270 91177308-0d34-0410-b5e6-96231b3b80d8
Fixed the TestLogging test.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@201273 91177308-0d34-0410-b5e6-96231b3b80d8