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/events/logging/boot_timestamp.cc b/aos/events/logging/boot_timestamp.cc
index b3511f4..ef65171 100644
--- a/aos/events/logging/boot_timestamp.cc
+++ b/aos/events/logging/boot_timestamp.cc
@@ -19,8 +19,8 @@
 
 std::ostream &operator<<(std::ostream &os,
                          const struct BootQueueIndex &queue_index) {
-  return os << "{.boot=" << queue_index.boot
-            << ", .index=" << queue_index.index << "}";
+  return os << "{.boot=" << queue_index.boot << ", .index=" << queue_index.index
+            << "}";
 }
 
 }  // namespace aos::logger