Clang-format aos

It has drifted...  Clean it up a bit.

Change-Id: I2fe31a2187b4f690634ae6942786575db20192af
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/aos/testing/path.h b/aos/testing/path.h
index 1abad74..7f4187d 100644
--- a/aos/testing/path.h
+++ b/aos/testing/path.h
@@ -7,7 +7,7 @@
 namespace aos {
 namespace testing {
 
-// Returns the path to the provided artifact which works 
+// Returns the path to the provided artifact which works
 std::string ArtifactPath(std::string_view path);
 
 }  // namespace testing