Move crypto/x509 test data into its own directory.

I'm about to add a lot more of these.

Change-Id: I2556e301dbed3ceb450e7070ffed46dc4d6de2b4
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/41744
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
diff --git a/sources.cmake b/sources.cmake
index a21825c..5454dde 100644
--- a/sources.cmake
+++ b/sources.cmake
@@ -57,13 +57,13 @@
   crypto/hmac_extra/hmac_tests.txt
   crypto/poly1305/poly1305_tests.txt
   crypto/siphash/siphash_tests.txt
-  crypto/x509/many_constraints.pem
-  crypto/x509/many_names1.pem
-  crypto/x509/many_names2.pem
-  crypto/x509/many_names3.pem
-  crypto/x509/some_names1.pem
-  crypto/x509/some_names2.pem
-  crypto/x509/some_names3.pem
+  crypto/x509/test/many_constraints.pem
+  crypto/x509/test/many_names1.pem
+  crypto/x509/test/many_names2.pem
+  crypto/x509/test/many_names3.pem
+  crypto/x509/test/some_names1.pem
+  crypto/x509/test/some_names2.pem
+  crypto/x509/test/some_names3.pem
   third_party/wycheproof_testvectors/aes_cbc_pkcs5_test.txt
   third_party/wycheproof_testvectors/aes_cmac_test.txt
   third_party/wycheproof_testvectors/aes_gcm_siv_test.txt