Reducing time of TaplTests run

From ~245 to ~150 sec.

Done by removing testing behaviors that don't depend on QS from tests
marked with QuickstepOnOff attribute.

Also fixing a bug that went unnoticed: now restoring Launcher QS mode
after each test.

Bug: 110103162
Test: TaplTests suite
Change-Id: I715158b47ac1e370f578b8d4f13d9633283763fe
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 01e76f3..aa9792b 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -115,7 +115,7 @@
         sActiveContainer = new WeakReference<>(container);
     }
 
-    boolean isSwipeUpEnabled() {
+    public boolean isSwipeUpEnabled() {
         return mSwipeUpEnabledOverride != null ? mSwipeUpEnabledOverride : mSwipeUpEnabled;
     }