Revert "No-op change, remove methods from BaseLauncherActivityTe..."

Revert submission 32999330-activity-test-refactor-1

Reason for revert: b/410713970

Reverted changes: /q/submissionid:32999330-activity-test-refactor-1

Change-Id: Id9dd4692bc5c500fd8831a2edad80a034c4fa405
9 files changed