Move AOA/HID code to usb/

PR #2974 <https://github.com/Genymobile/scrcpy/pull/2974>

app/src/usb/hid_mouse.h

@@ -0,0 +1,23 @@
+#ifndef SC_HID_MOUSE_H
+#define SC_HID_MOUSE_H
+
+#include "common.h"
+
+#include <stdbool.h>
+
+#include "aoa_hid.h"
+#include "trait/mouse_processor.h"
+
+struct sc_hid_mouse {
+    struct sc_mouse_processor mouse_processor; // mouse processor trait
+
+    struct sc_aoa *aoa;
+};
+
+bool
+sc_hid_mouse_init(struct sc_hid_mouse *mouse, struct sc_aoa *aoa);
+
+void
+sc_hid_mouse_destroy(struct sc_hid_mouse *mouse);
+
+#endif