ANDROID: vendor_hooks: add vendor hooks for bd_link_disk_holder

Add a vendor hook for bd_link_disk_holder. It is proposed to modify the
oem_data in the struct gendisk to store a pointer. It will help us to
use our customized scheduler hook.

Bug: 345603555
Bug: 407947364

Change-Id: Ibf877dcda76da6a2a1924fcc98e6ec1b51997627
Signed-off-by: Wang Jianzheng <11134417@vivo.corp-partner.google.com>
(cherry picked from commit dbe0e69e)
Signed-off-by: ying zuxin <11154159@vivo.com>