[Debugger] Invoke GetType() with DisableBreakpoints and SingleThreaded options
[Debugger] Invoke GetType() with DisableBreakpoints and SingleThreaded options

Partial fix for bug #3927.

mono/debugger-libs,joj/debugger-libs,Unity-Technologies/debugger-libs,joj/debugger-libs,Unity-Technologies/debugger-libs,mono/debugger-libs