Add custom seekbar in click delay time dialog

Create the UI for click delay time seekbar.
Will implement the logic in a follow up cl.

screenshot: go/screenshot-af9wnpqj7pmfdre

Bug: 390460859
Test: verified ui on the test device
Flag: com.android.server.accessibility.enable_autoclick_indicator
Change-Id: I98c854536e7ef5b3d8f6349f03763c9b370a9eeb