message: Change the validateKey_testVector test to actually test that the test vector key is valid.
  Previously it was just a repeat of the test above.
diff: @@ -135,18 +135,7 @@ public class RsaSsaPssVerifyKeyManagerTest {
  @Test
  public void validateKey_testVector() throws Exception {
  - RsaSsaPssKeyFormat keyFormat =
  - RsaSsaPssKeyFormat.newBuilder()
  - .setParams(
  - RsaSsaPssParams.newBuilder()
  - .setSigHash(HashType.SHA256)
  - .setMgf1Hash(HashType.SHA256)
  - .setSaltLength(32))
  - .setModulusSizeInBits(3072)
  - .setPublicExponent(ByteString.copyFrom(RSAKeyGenParameterSpec.F4.toByteArray()))
  - .build();
  - RsaSsaPssPrivateKey privateKey = factory.createKey(keyFormat);
  - RsaSsaPssPublicKey publicKey = signManager.getPublicKey(privateKey);
  + RsaSsaPssPublicKey publicKey = nistTestVectors[0].publicKeyProto;
  verifyManager.validateKey(publicKey);
  }
  