Use ItemInfo with correct position when adding to Workspace via Accessibility.

Bug: 332651703
Flag: NA
Test: Verified that the issue isn't reproducible with the fix. The issue
was 100% reproducible before.
Change-Id: I01207396e19b4f7d14d6a147e5e5fb98bae9ea99

Change-Id: I81aad9758ee33b8acc2d6a1242e54f2a47124374
(cherry picked from commit 86d3c881)