Annotate DeleteKey test with bug number.
am: abcd323019

Change-Id: I1e3eb2b93c0054fb48fc8dbd9e844a74736afe46
diff --git a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
index fcd4dec..12bfac5 100644
--- a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -4008,7 +4008,8 @@
             Begin(KeyPurpose::SIGN, key_blob_, AuthorizationSetBuilder()
                                                    .Digest(Digest::NONE)
                                                    .Padding(PaddingMode::NONE),
-                  &begin_out_params, &op_handle_));
+                  &begin_out_params, &op_handle_))
+            << " (Possibly b/37623742)";
     } else {
         EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::SIGN, key_blob_,
                                        AuthorizationSetBuilder()