vpd: Add RLZ-related keys to check_rw_vpd

Adding:
  rlz_embargo_end_date
  should_send_rlz_ping

BRANCH=none
BUG=chromium:841394
TEST=none

Change-Id: I43d47dcfc1ba05263d6cb438b469732868d91c25
Reviewed-on: https://chromium-review.googlesource.com/1052468
Commit-Ready: Thiemo Nagel <tnagel@chromium.org>
Tested-by: Thiemo Nagel <tnagel@chromium.org>
Reviewed-by: Stephen Lin <stephenlin@google.com>
Reviewed-by: Thiemo Nagel <tnagel@chromium.org>
diff --git a/util/check_rw_vpd b/util/check_rw_vpd
index 4d51e30..2eabe48 100644
--- a/util/check_rw_vpd
+++ b/util/check_rw_vpd
@@ -18,8 +18,10 @@
   check_enrollment
   first_active_omaha_ping_sent
   gbind_attribute
-  ubind_attribute
-  tpm_firmware_update_params"
+  rlz_embargo_end_date
+  should_send_rlz_ping
+  tpm_firmware_update_params
+  ubind_attribute"
 
 # Undocumented/deprecated RW_VPD keys and where they have been observed:
 # celes: