Reproduce: make build-test-lib

```
* For target support_test_lib_test-lib_classes__the.BUILD_TEST_LIB_JAR_batch:
/jdk/test/lib/jdk/test/lib/hexdump/ASN1Formatter.java:250: warning: [fallthrough] possible fall-through into case
                case TAG_PrintableString:
                ^
error: warnings found and -Werror specified
/jdk/test/lib/jdk/test/lib/jfr/GCHelper.java:336: warning: [removal] Integer(int) in Integer has been deprecated and marked for removal
                        openGcIds.push(new Integer(gcId));
                                       ^
/jdk/test/lib/jdk/test/lib/jfr/SimpleEventHelper.java:80: warning: [removal] Integer(int) in Integer has been deprecated and marked for removal
            missingIds.remove(new Integer(id));
                              ^
```