AutoTest: Merge settings and tools hierarchies [1/2]

Currently living in the settings files to keep changes small,
will be renamed in a second step.

This allows the settings aspects to be used in their short form
and overall removes some indirections.

Change-Id: I099369b62239aed8192613a04bca958a660c36c7
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/autotest/autotestunittests.cpp

@@ -78,8 +78,8 @@ void AutoTestUnitTests::initTestCase()
 
     // Enable quick check for derived tests
     static const Id id = Id("AutoTest.Framework.QtTest");
-    static_cast<Autotest::Internal::QtTestSettings *>(
-        TestFrameworkManager::frameworkForId(id)->testSettings())
+    static_cast<Autotest::Internal::QtTestFramework *>(
+        TestFrameworkManager::frameworkForId(id))
         ->quickCheckForDerivedTests.setValue(true);
 }