Splitting TaplTests into a pure AOSP and QS parts

This will allow running as many as possible automatic checks on AOSP
launcher and moving most AOSP tests that use TAPL to where they belong
to: Tapl Tests.

Bug: 110103162
Test: Running the test suites
Change-Id: I9192354e6097698d4b942c5682b79664ecc2336d