Codestyle fixups to satisfy presubmits

This is a series of whitespace changes to align files created before
presubmit checks were enabled to match the presubmit checks that are
now in place on master.

Test: unit-tests
Change-Id: I52e769a3e7e6d390edfa067358a437f342e0e5d5
(cherry picked from commit 11d80256f35ba2995e88b129aaec9d8c7f302b7c)
diff --git a/update_manager/policy_utils.h b/update_manager/policy_utils.h
index e448022..eaf9ee9 100644
--- a/update_manager/policy_utils.h
+++ b/update_manager/policy_utils.h
@@ -17,6 +17,9 @@
 #ifndef UPDATE_ENGINE_UPDATE_MANAGER_POLICY_UTILS_H_
 #define UPDATE_ENGINE_UPDATE_MANAGER_POLICY_UTILS_H_
 
+#include <string>
+#include <vector>
+
 #include "update_engine/update_manager/policy.h"
 
 // Checks that the passed pointer value is not null, returning kFailed on the
@@ -57,7 +60,7 @@
     }
   }
   return EvalStatus::kContinue;
-};
+}
 
 // Base class implementation that returns |EvalStatus::kContinue| for all
 // decisions, to be used as a base-class for various Policy facets that only