VS Code requests the `instruction` stepping granularity if the assembly
view is currently focused. By implementing `StepGranularity`, we can
hence properly single-step through assembly code.
The don't currently work (and they're also not particularly useful,
since all of the remote stuff happens inside lldb).
This saves us from annotating tests one by one.
Rename lldb-vscode to lldb-dap. This change is largely mechanical. The
following substitutions cover the majority of the changes in this
commit:
s/VSCODE/DAP/
s/VSCode/DAP/
s/vscode/dap/
s/g_vsc/g_dap/
Discourse RFC:
https://discourse.llvm.org/t/rfc-rename-lldb-vscode-to-lldb-dap/74075/
