message: [netdiag] do not request TypeList TLV type
  Removes the TypeList TLV (18) from the list of TLV type being
  requested as this is an invalid TLV type to request.
diff: @@ -70,7 +70,7 @@ namespace rest {
  static const char *kMulticastAddrAllRouters = "ff03::2";
  // Default TlvTypes for Diagnostic inforamtion
  -static const uint8_t kAllTlvTypes[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19};
  +static const uint8_t kAllTlvTypes[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 19};
  // Timeout (in Microseconds) for deleting outdated diagnostics
  static const uint32_t kDiagResetTimeout = 3000000;
  