patchpanel: run clang-format on all files

Also enable the clang_format_presubmit check.

Command used:
clang-format -i -style=file $(find patchpanel -name '*.h' -o -name '*.cc')

BUG=b:166166797
TEST=CQ passes

Change-Id: I344cd4602a68394ba5adc5e5d58d2703eea978dc
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/2399204
Tested-by: Tom Hughes <tomhughes@chromium.org>
Reviewed-by: Hugo Benichi <hugobenichi@google.com>
Commit-Queue: Tom Hughes <tomhughes@chromium.org>
Auto-Submit: Tom Hughes <tomhughes@chromium.org>
diff --git a/patchpanel/mock_firewall.h b/patchpanel/mock_firewall.h
index b35fc62..1722fda 100644
--- a/patchpanel/mock_firewall.h
+++ b/patchpanel/mock_firewall.h
@@ -20,8 +20,9 @@
   MockFirewall() = default;
   ~MockFirewall() = default;
 
-  int SetRunInMinijailFailCriterion(
-      const std::vector<std::string>& keywords, bool repeat, bool omit_failure);
+  int SetRunInMinijailFailCriterion(const std::vector<std::string>& keywords,
+                                    bool repeat,
+                                    bool omit_failure);
   int GetRunInMinijailCriterionMatchCount(int id);
   bool CheckCommandsUndone();
   int CountActiveCommands();
@@ -48,10 +49,9 @@
 
     // Don't take into account match_count.
     bool operator==(const Criterion& c) const {
-      return (std::equal(keywords.begin(), keywords.end(),
-                         c.keywords.begin()) &&
-              (repeat == c.repeat) &&
-              (c.omit_failure == omit_failure));
+      return (
+          std::equal(keywords.begin(), keywords.end(), c.keywords.begin()) &&
+          (repeat == c.repeat) && (c.omit_failure == omit_failure));
     }
   };