[bssl] Move ec_key module from rialto to libbssl

Bug: 301068421
Test: atest rialto_test
Change-Id: I04f3040f79f1af18b5c76546adcd6616aa052729
diff --git a/libs/bssl/Android.bp b/libs/bssl/Android.bp
index 5eda389..229f594 100644
--- a/libs/bssl/Android.bp
+++ b/libs/bssl/Android.bp
@@ -26,5 +26,7 @@
     rustlibs: [
         "libbssl_avf_error_nostd",
         "libbssl_ffi_nostd",
+        "libcoset_nostd",
+        "libzeroize_nostd",
     ],
 }