8209537: Two security tests failed after JDK-8164639 due to dependency was missed

Skip sun/security/tools/keytool/autotest.sh on macosx and add /test/lib to sun/security/ec/TestEC.java

Reviewed-by: rhalade

test/jdk/sun/security/ec/TestEC.java

@@ -30,6 +30,7 @@
  * @test
  * @bug 6840752 8168078
  * @summary  Provide out-of-the-box support for ECC algorithms
+ * @library /test/lib
  * @library ../pkcs11
  * @library ../pkcs11/ec
  * @library ../pkcs11/sslecc

test/jdk/sun/security/tools/keytool/autotest.sh

@@ -86,9 +86,6 @@ case "$OS" in
             "/usr/lib/nss/libsoftokn3.so"`
     fi
     ;;
-  Darwin )
-    LIBNAME="$TESTSRC/../../pkcs11/nss/lib/macosx-x86_64/libsoftokn3.dylib"
-    ;;
   * )
     echo "Will not run test on: ${OS}"
     exit 0;