Fix some mistakes in build.json

aes/internal.h got removed on accident in some reshuffling. All this
also really should be under the bcm target, rather than the crypto
target, but we'll sort that out later.

Also rand_test.cc got duplicated.

Change-Id: If77f1ff6149a764ccf96073166a5520b284b2dc7
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/70768
Reviewed-by: Bob Beck <bbe@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
diff --git a/build.json b/build.json
index c1dc1ae..4b80dfd 100644
--- a/build.json
+++ b/build.json
@@ -496,6 +496,7 @@
             "crypto/ec_extra/internal.h",
             "crypto/err/internal.h",
             "crypto/evp/internal.h",
+            "crypto/fipsmodule/aes/internal.h",
             "crypto/fipsmodule/bcm_interface.h",
             "crypto/fipsmodule/bn/internal.h",
             "crypto/fipsmodule/bn/rsaz_exp.h",
@@ -851,7 +852,6 @@
             "crypto/rand_extra/fork_detect_test.cc",
             "crypto/rand_extra/getentropy_test.cc",
             "crypto/rand_extra/rand_test.cc",
-            "crypto/rand_extra/rand_test.cc",
             "crypto/refcount_test.cc",
             "crypto/rsa_extra/rsa_test.cc",
             "crypto/self_test.cc",