8325189: Enable this-escape javac warning in java.base

Reviewed-by: alanb, erikj, naoto, smarks, ihse, joehw, lancea, weijun

src/java.base/share/classes/java/security/DigestInputStream.java

@@ -89,6 +89,7 @@ public class DigestInputStream extends FilterInputStream {
      *
      * @param digest the message digest to associate with this stream.
      */
+    @SuppressWarnings("this-escape")
     public DigestInputStream(InputStream stream, MessageDigest digest) {
         super(stream);
         setMessageDigest(digest);