Enable Electron Crash reporter for all processes after Electron update

[ramya-rao-a]

Once a newer version (>= 1.5.1)of electron is adopted, all node processes spawned in VS Code need to initialize the crash reporter

https://github.com/electron/electron/blob/master/docs/api/crash-reporter.md#methods

[ramya-rao-a]

For the May milestone, we have enabled the crash reporter in the child process that starts the extension host.