Revert "Build DocumentsUI sources once"

Revert submission 25032702-DocumentsUI-lib

Reason for revert: broke document browsing

Reverted changes: /q/submissionid:25032702-DocumentsUI-lib

Bug: 307873144
Bug: 307882692
Change-Id: I5042f5f430f515cfe648156f21f7570e43aabbe6
12 files changed