AutoTest: Add some gtest related settings

This patch enables execution of disabled tests, repetition of
test runs and shuffling of test sets.

Change-Id: I3668afde5766d18acdf1afb7edd913655b13a76c
Reviewed-by: David Schulz <david.schulz@theqtcompany.com>
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@theqtcompany.com>

src/plugins/autotest/testtreemodel.h

@@ -160,6 +160,7 @@ struct TestParseResult
     unsigned column = 0;
     bool parameterized = false;
     bool typed = false;
+    bool disabled = false;
     QMap<QString, TestCodeLocationAndType> functions;
     QMap<QString, TestCodeLocationList> dataTagsOrTestSets;
 };