java parameter info: revert unsafe fix for IDEA-184821, add a test (IDEA-CR-28480)

java/java-tests/testData/codeInsight/parameterInfo/TypeInvalidationByCompletion.java

@@ -0,0 +1,7 @@
+import java.util.ArrayList;
+
+class A{
+    void foo(){
+        new ArrayList<String>().stream().collect(toSe<caret>)
+    }
+}

java/java-tests/testData/codeInsight/parameterInfo/TypeInvalidationByCompletion_after.java

@@ -0,0 +1,8 @@
+import java.util.ArrayList;
+import java.util.stream.Collectors;
+
+class A{
+    void foo(){
+        new ArrayList<String>().stream().collect(Collectors.toSet())<caret>
+    }
+}