RPC Binder: handle ECONNRESET in bootstrap socket

The code here bypasses RpcState. Add logic to handle
ECONNRESET, and add a log so that we can see if this
type of issue occurs again.

Bug: 416074467
Test: binderRpcTest
Flag: EXEMPT .
Change-Id: Id5353083d47009a05ae4651e6e1f89aa9f3e78b7