Agent: Re-raise exceptions in HostExploiter

The AutomatedMaster can't process the exceptions if the HostExploiter
swallows them. The HostExploiter can log and re-raise the exceptions so
they can be processed by the AutomatedMaster.

monkey/infection_monkey/exploit/HostExploiter.py

@@ -82,16 +82,16 @@ class HostExploiter:
         self.options = options
 
         self.pre_exploit()
-        result = None
         try:
-            result = self._exploit_host()
+            return self._exploit_host()
         except FailedExploitationError as e:
             logger.debug(f"Exploiter failed: {e}.")
-        except Exception:
+            raise e
+        except Exception as e:
             logger.error("Exception in exploit_host", exc_info=True)
+            raise e
         finally:
             self.post_exploit()
-        return result
 
     def pre_exploit(self):
         self.exploit_result = ExploiterResultData(