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/drm/DrmConnector.h b/drm/DrmConnector.h
index f2305aa..2bcb543 100644
--- a/drm/DrmConnector.h
+++ b/drm/DrmConnector.h
@@ -17,9 +17,9 @@
 #ifndef ANDROID_DRM_CONNECTOR_H_
 #define ANDROID_DRM_CONNECTOR_H_
 
-#include <stdint.h>
 #include <xf86drmMode.h>
 
+#include <cstdint>
 #include <string>
 #include <vector>
 
diff --git a/drm/DrmCrtc.h b/drm/DrmCrtc.h
index 7972bef..85e067a 100644
--- a/drm/DrmCrtc.h
+++ b/drm/DrmCrtc.h
@@ -17,9 +17,10 @@
 #ifndef ANDROID_DRM_CRTC_H_
 #define ANDROID_DRM_CRTC_H_
 
-#include <stdint.h>
 #include <xf86drmMode.h>
 
+#include <cstdint>
+
 #include "DrmMode.h"
 #include "DrmProperty.h"
 
diff --git a/drm/DrmDevice.h b/drm/DrmDevice.h
index 4cbbd60..b5508af 100644
--- a/drm/DrmDevice.h
+++ b/drm/DrmDevice.h
@@ -17,8 +17,7 @@
 #ifndef ANDROID_DRM_H_
 #define ANDROID_DRM_H_
 
-#include <stdint.h>
-
+#include <cstdint>
 #include <map>
 #include <tuple>
 
@@ -86,7 +85,7 @@
   }
 
   DrmFbImporter &GetDrmFbImporter() {
-    return *mDrmFbImporter.get();
+    return *mDrmFbImporter;
   }
 
   static auto IsKMSDev(const char *path) -> bool;
diff --git a/drm/DrmEncoder.h b/drm/DrmEncoder.h
index 4c01bc1..b130b7d 100644
--- a/drm/DrmEncoder.h
+++ b/drm/DrmEncoder.h
@@ -17,9 +17,9 @@
 #ifndef ANDROID_DRM_ENCODER_H_
 #define ANDROID_DRM_ENCODER_H_
 
-#include <stdint.h>
 #include <xf86drmMode.h>
 
+#include <cstdint>
 #include <set>
 #include <vector>
 
diff --git a/drm/DrmMode.h b/drm/DrmMode.h
index 41b9e15..20515f9 100644
--- a/drm/DrmMode.h
+++ b/drm/DrmMode.h
@@ -17,10 +17,10 @@
 #ifndef ANDROID_DRM_MODE_H_
 #define ANDROID_DRM_MODE_H_
 
-#include <stdio.h>
 #include <xf86drmMode.h>
 
 #include <cstdint>
+#include <cstdio>
 #include <string>
 
 #include "DrmUnique.h"
@@ -32,7 +32,7 @@
 class DrmMode {
  public:
   DrmMode() = default;
-  DrmMode(drmModeModeInfoPtr m);
+  explicit DrmMode(drmModeModeInfoPtr m);
 
   bool operator==(const drmModeModeInfo &m) const;
 
diff --git a/drm/DrmPlane.h b/drm/DrmPlane.h
index 7fab2ba..6487776 100644
--- a/drm/DrmPlane.h
+++ b/drm/DrmPlane.h
@@ -17,9 +17,9 @@
 #ifndef ANDROID_DRM_PLANE_H_
 #define ANDROID_DRM_PLANE_H_
 
-#include <stdint.h>
 #include <xf86drmMode.h>
 
+#include <cstdint>
 #include <vector>
 
 #include "DrmCrtc.h"
diff --git a/drm/DrmProperty.h b/drm/DrmProperty.h
index 68f300f..26a7c38 100644
--- a/drm/DrmProperty.h
+++ b/drm/DrmProperty.h
@@ -17,9 +17,9 @@
 #ifndef ANDROID_DRM_PROPERTY_H_
 #define ANDROID_DRM_PROPERTY_H_
 
-#include <stdint.h>
 #include <xf86drmMode.h>
 
+#include <cstdint>
 #include <map>
 #include <string>
 #include <vector>
@@ -62,14 +62,14 @@
   auto AddEnumToMap(const std::string &name, E key, std::map<E, uint64_t> &map)
       -> bool;
 
-  operator bool() const {
+  explicit operator bool() const {
     return id_ != 0;
   }
 
  private:
   class DrmPropertyEnum {
    public:
-    DrmPropertyEnum(drm_mode_property_enum *e);
+    explicit DrmPropertyEnum(drm_mode_property_enum *e);
     ~DrmPropertyEnum() = default;
 
     uint64_t value_;
diff --git a/drm/ResourceManager.h b/drm/ResourceManager.h
index bb91882..b02bf36 100644
--- a/drm/ResourceManager.h
+++ b/drm/ResourceManager.h
@@ -17,7 +17,7 @@
 #ifndef RESOURCEMANAGER_H
 #define RESOURCEMANAGER_H
 
-#include <string.h>
+#include <cstring>
 
 #include "DrmDevice.h"
 #include "DrmFbImporter.h"
@@ -40,7 +40,7 @@
   int getDisplayCount() const {
     return num_displays_;
   }
-  bool ForcedScalingWithGpu() {
+  bool ForcedScalingWithGpu() const {
     return scale_with_gpu_;
   }
 
diff --git a/drm/VSyncWorker.h b/drm/VSyncWorker.h
index 74ff487..67aaa16 100644
--- a/drm/VSyncWorker.h
+++ b/drm/VSyncWorker.h
@@ -20,9 +20,9 @@
 #include <hardware/hardware.h>
 #include <hardware/hwcomposer.h>
 #include <hardware/hwcomposer2.h>
-#include <stdint.h>
 
 #include <atomic>
+#include <cstdint>
 #include <functional>
 #include <map>