Reapply "Have backup TouchController of Taskbar All Apps AFV."

This reverts commit 73c695f04e2aff3ef90f89668ee563bcf1fc3a29.

Change-Id: I21f560be9d340d1c343467c1704063ce85f63056
Fix: 299165179
Test: Manual + TaplTestsTaskbarSearch
Flag: ENABLE_ALL_APPS_SEARCH_IN_TASKBAR
3 files changed