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/drmcrtc.h b/drmcrtc.h
index 3e17abd..3075f9b 100644
--- a/drmcrtc.h
+++ b/drmcrtc.h
@@ -60,6 +60,6 @@
   DrmProperty mode_property_;
   DrmProperty out_fence_ptr_property_;
 };
-}
+}  // namespace android
 
 #endif  // ANDROID_DRM_CRTC_H_