[battor agent] Fix the init sequence so it retries inits instead of resets.

tools/battor_agent/battor_connection_impl.cc

Index: tools/battor_agent/battor_connection_impl.cc
diff --git a/tools/battor_agent/battor_connection_impl.cc b/tools/battor_agent/battor_connection_impl.cc
index 357ad6c3a99824109244ca79972ceac228e1aeff..cb123e488c533a9119a3b0d7df42b17594e87226 100644
--- a/tools/battor_agent/battor_connection_impl.cc
+++ b/tools/battor_agent/battor_connection_impl.cc
@@ -171,6 +171,10 @@ void BattOrConnectionImpl::ReadMessage(BattOrMessageType type) {
   BeginReadBytes(max_bytes_to_read - already_read_buffer_.size());
 }
 
+void BattOrConnectionImpl::CancelReadMessage() {
+  io_handler_->CancelRead(device::serial::ReceiveError::NONE);

[charliea (OOO until 10-5), 2016/05/23 14:08:52]

Think it might be more accurate to cancel it w/ ReceiveError=TIMEOUT here

[aschulman, 2016/06/10 07:22:59]

Done.

+}
+
 void BattOrConnectionImpl::Flush() {
   io_handler_->Flush();
   already_read_buffer_.clear();