Update Crashpad to 8e37886d418dd042c3c7bfadac99214739ee4d98

third_party/crashpad/crashpad/README.md

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 # Crashpad
 
 [Crashpad](https://crashpad.chromium.org/) is a crash-reporting system.
 
 ## Documentation
 
  * [Project status](doc/status.md)
  * [Developing Crashpad](doc/developing.md): instructions for getting the source
    code, building, testing, and contributing to the project.
  * [Crashpad interface documentation](https://crashpad.chromium.org/doxygen/)
  * [Crashpad tool man pages](doc/man.md)
+ * [Crashpad overview design](doc/overview_design.md)
 
 ## Source Code
 
 Crashpad’s source code is hosted in a Git repository at
 https://chromium.googlesource.com/crashpad/crashpad.
 
 ## Other Links
 
  * Bugs can be reported at the [Crashpad issue
    tracker](https://crashpad.chromium.org/bug/).
  * The [Crashpad Buildbot](https://build.chromium.org/p/client.crashpad)
    performs automated builds and tests.
  * [crashpad-dev](https://groups.google.com/a/chromium.org/group/crashpad-dev)
    is the Crashpad developers’ mailing list.