drm_hwcomposer: Reformat using clang-format-5.0

Run the new clang-format style over the codebase to make things
compatible.

Change-Id: I267d5070929aaa7965d58655da841402debdcb6c
Signed-off-by: Sean Paul <seanpaul@chromium.org>
diff --git a/autofd.h b/autofd.h
index 1edc9c5..9af6c22 100644
--- a/autofd.h
+++ b/autofd.h
@@ -101,6 +101,6 @@
  private:
   int *fd_ = NULL;
 };
-}
+}  // namespace android
 
 #endif