Fixes shared_fd.h build error around include order

The linux/vm_sockets.h header is incomplete in the internal build and
cannot be included before sys/socket.h.

Bug: b/527614813

Author: Databean

base/cvd/cuttlefish/common/libs/fs/shared_fd.h

@@ -14,16 +14,9 @@
  * limitations under the License.
  */
 
-// TODO: We can't use std::shared_ptr on the older guests due to HALs.
-
 #ifndef CUTTLEFISH_COMMON_COMMON_LIBS_FS_SHARED_FD_H_
 #define CUTTLEFISH_COMMON_COMMON_LIBS_FS_SHARED_FD_H_
 
-#ifdef __linux__
-#include <linux/vm_sockets.h>
-#include <sys/epoll.h>
-#include <sys/eventfd.h>
-#endif
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
@@ -40,6 +33,12 @@
 #include <termios.h>
 #include <unistd.h>
 
+#ifdef __linux__
+#include <linux/vm_sockets.h>
+#include <sys/epoll.h>
+#include <sys/eventfd.h>
+#endif
+
 #include <chrono>
 #include <compare>
 #include <memory>