Update NSS to 3.38

- Added HACL*Poly1305 32-bit (INRIA/Microsoft)
- Updated to final TLS 1.3 draft version (28)
- Removed TLS 1.3 prerelease draft limit check
- Removed NPN code
- Enabled dev/urandom-only RNG on Linux with NSS_SEED_ONLY_DEV_URANDOM for non-standard environments
- Fixed several bugs with TLS 1.3 negotiation
- Updated internal certificate store
- Added support for the TLS Record Size Limit Extension.
- Fixed CVE-2018-0495
- Various security fixes in the ASN.1 code.

security/nss/gtests/ssl_gtest/ssl_skip_unittest.cc

@@ -22,11 +22,9 @@ namespace nss_test {
 class TlsHandshakeSkipFilter : public TlsRecordFilter {
  public:
   // A TLS record filter that skips handshake messages of the identified type.
-  TlsHandshakeSkipFilter(const std::shared_ptr<TlsAgent>& agent,
+  TlsHandshakeSkipFilter(const std::shared_ptr<TlsAgent>& a,
                          uint8_t handshake_type)
-      : TlsRecordFilter(agent),
-        handshake_type_(handshake_type),
-        skipped_(false) {}
+      : TlsRecordFilter(a), handshake_type_(handshake_type), skipped_(false) {}
 
  protected:
   // Takes a record; if it is a handshake record, it removes the first handshake