libcamera/base: Move class helpers to the base library

Move the class support infrastructure to the base library.

Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

src/android/camera_buffer.h

@@ -9,7 +9,8 @@
 
 #include <hardware/camera3.h>
 
-#include <libcamera/class.h>
+#include <libcamera/base/class.h>
+
 #include <libcamera/span.h>
 
 class CameraBuffer final : public libcamera::Extensible

src/android/camera_capabilities.h

@@ -11,8 +11,9 @@
 #include <memory>
 #include <vector>
 
+#include <libcamera/base/class.h>
+
 #include <libcamera/camera.h>
-#include <libcamera/class.h>
 #include <libcamera/formats.h>
 #include <libcamera/geometry.h>
 

src/android/camera_hal_config.h

@@ -10,7 +10,7 @@
 #include <map>
 #include <string>
 
-#include <libcamera/class.h>
+#include <libcamera/base/class.h>
 
 struct CameraConfigData {
 	int facing = -1;