drm_hwcomposer: CI: Raise clang-tidy level from NONE to COARSE for *.h

To improve CI coverage.

Signed-off-by: Roman Stratiienko <roman.o.stratiienko@globallogic.com>
diff --git a/utils/Worker.h b/utils/Worker.h
index 73a80da..ab01d5f 100644
--- a/utils/Worker.h
+++ b/utils/Worker.h
@@ -17,10 +17,9 @@
 #ifndef ANDROID_WORKER_H_
 #define ANDROID_WORKER_H_
 
-#include <stdint.h>
-#include <stdlib.h>
-
 #include <condition_variable>
+#include <cstdint>
+#include <cstdlib>
 #include <mutex>
 #include <string>
 #include <thread>