Add a check that processors from KAPT classpath are not run

This commit adds check that javaslang.match.PatternsProcessor,
which is in kotlin-compiler-embeddable jar, is not run when using
JDK9+.

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/Kapt3IT.kt

@@ -79,6 +79,8 @@ class Kapt3WorkersIT : Kapt3IT() {
         project.build("build", options = options) {
             assertSuccessful()
             assertKaptSuccessful()
+            // Check added because of https://youtrack.jetbrains.com/issue/KT-33056.
+            assertNotContains("javaslang.match.PatternsProcessor")
         }
     }