completion: infer Throwable for thrown bounds in completion so more candidates would be applicable (IDEA-162710)

java/java-impl/src/com/intellij/psi/impl/source/resolve/CompletionParameterTypeInferencePolicy.java

@@ -48,6 +48,11 @@ public class CompletionParameterTypeInferencePolicy extends ProcessCandidatePara
     }
   }
 
+  @Override
+  public boolean inferRuntimeExceptionForThrownBoundWithNoConstraints() {
+    return false;
+  }
+
   @Override
   public PsiType adjustInferredType(PsiManager manager, PsiType guess, ConstraintType constraintType) {
     if (guess != null && !(guess instanceof PsiWildcardType)) {