Revert^2 "Expose getSearchBox from the HomeAllApps class"

Reverted changes: /q/submissionid:21128652-revert-20714047-b_255390519-CAXVPNWYOY

Change-Id: I0e9680408e8b1db85600a226d808669c65ba4967
Bug: b/266169958
6 files changed