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/autolock.cpp b/autolock.cpp
index 795a8c2..4e9552a 100644
--- a/autolock.cpp
+++ b/autolock.cpp
@@ -53,4 +53,4 @@
   locked_ = false;
   return 0;
 }
-}
+}  // namespace android