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

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

src/java.base/share/classes/sun/security/provider/HashDrbg.java

@@ -46,6 +46,7 @@ public class HashDrbg extends AbstractHashDrbg {
     private byte[] v;
     private byte[] c;
 
+    @SuppressWarnings("this-escape")
     public HashDrbg(SecureRandomParameters params) {
         mechName = "Hash_DRBG";
         configure(params);