AutoTest: Add test frame work handling

Mainly a preparation for enabling/disabling test frame works.

Change-Id: I0bbea7e055a607517ef8193587c229cadf0de027
Reviewed-by: David Schulz <david.schulz@theqtcompany.com>

src/plugins/autotest/autotestconstants.h

@@ -39,6 +39,7 @@ const char AUTOTEST_CONTEXT[]           = "Auto Tests";
 const char TASK_INDEX[]                 = "AutoTest.Task.Index";
 const char TASK_PARSE[]                 = "AutoTest.Task.Parse";
 const char AUTOTEST_SETTINGS_CATEGORY[] = "ZY.Tests";
+const char FRAMEWORK_PREFIX[]           = "AutoTest.Framework.";
 
 } // namespace Constants
 } // namespace Autotest