[llvm] [ORC] Fix infinite wait upon disconnection initiated by SimpleRemoteEPC (PR #196830)

[Min-Yih Hsu via llvm-commits]

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@@ -96,7 +96,7 @@ class LLVM_ABI SimpleRemoteEPCTransport {
   /// Trigger disconnection from the transport. The implementation should
   /// respond by calling handleDisconnect on the client once disconnection
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mshockwave wrote:

the comment here actually says `SimpleRemoteEPCTransport::disconnect` is supposed to call `SimpleRemoteEPCTransportClient::handlDisconnect`

https://github.com/llvm/llvm-project/pull/196830