Revert "[DO NOT MERGE] Remove selection toolbar code from build time"

This reverts commit ade911b9.

Reason for revert: The feature is planned to run a study in QPR1
with the aim of launching in QPR-2. The code will be removed from
build time before QPR1 finalized.

Change-Id: Ida04260a1196121bb4084b527216aae1e4e6ec54