Rename the "glob arguments" feature to "shell expand arguments"

This should not bring any feature change, except changing names of things here and there

llvm-svn: 230077
diff --git a/lldb/source/Host/linux/Host.cpp b/lldb/source/Host/linux/Host.cpp
index 90898c7..edad8f7 100644
--- a/lldb/source/Host/linux/Host.cpp
+++ b/lldb/source/Host/linux/Host.cpp
@@ -418,7 +418,7 @@
 }
 
 Error
-Host::GlobArguments (ProcessLaunchInfo &launch_info)
+Host::ShellExpandArguments (ProcessLaunchInfo &launch_info)
 {
     return Error("unimplemented");
 }