Disabling watchpoint test with intermittent failure.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@182887 91177308-0d34-0410-b5e6-96231b3b80d8
Fixing problems with thread create during step test.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@182888 91177308-0d34-0410-b5e6-96231b3b80d8