Separating TAPL functionality from AbstractLauncherUiTest into a separate base class

This will make it easier to get rid of AbstractLauncherUiTest by directly depending on the base class

Bug: 377772352
Test: Presubmit
Flag: EXEMPT test infra
Change-Id: I46ceb188ed4b64d4fb86236969ed0d3f23809000
4 files changed