[lldb] Parse the crashlog only once

Now that we can pass Python objects to the scripted process instance, we
don't need to parse the crashlog twice anymore.

Differential revision: https://reviews.llvm.org/D148063

lldb/source/Plugins/Process/scripted/ScriptedProcess.cpp

@@ -168,7 +168,7 @@ Status ScriptedProcess::DoLaunch(Module *exe_module,
   return {};
 }
 
-void ScriptedProcess::DidLaunch() {
+void ScriptedProcess::DidResume() {
   m_pid = GetInterface().GetProcessID();
   GetLoadedDynamicLibrariesInfos();
 }