Rename bssl-ffi to bssl-sys

Test: TreeHugger
Change-Id: Ie8108ef5d5f8e6c8252409d1e9aceb76613dff9f
diff --git a/prng_seeder/Android.bp b/prng_seeder/Android.bp
index 763aaa0..3c8179f 100644
--- a/prng_seeder/Android.bp
+++ b/prng_seeder/Android.bp
@@ -36,7 +36,7 @@
     edition: "2021",
     rustlibs: [
         "libanyhow",
-        "libbssl_ffi",
+        "libbssl_sys",
         "libclap",
         "libcutils_socket_bindgen",
         "liblogger",
@@ -70,7 +70,7 @@
     srcs: ["src/main.rs"],
     rustlibs: [
         "libanyhow",
-        "libbssl_ffi",
+        "libbssl_sys",
         "libclap",
         "libcutils_socket_bindgen",
         "liblogger",
diff --git a/prng_seeder/src/drbg.rs b/prng_seeder/src/drbg.rs
index 808ea18..7190353 100644
--- a/prng_seeder/src/drbg.rs
+++ b/prng_seeder/src/drbg.rs
@@ -13,7 +13,6 @@
 // limitations under the License.
 
 use anyhow::{ensure, Result};
-use bssl_ffi as bssl_sys;
 
 pub const ENTROPY_LEN: usize = bssl_sys::CTR_DRBG_ENTROPY_LEN as usize;