binder: RpcCertificateUtils -> RpcTlsUtils.

There will be key utils in this file as well.

Test: pass
Bug: 199344157
Change-Id: I1cc4c14a0663c0e9f0832a3bfad6cc9464a27e2d
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 9bca1f3..91f9615 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -262,7 +262,7 @@
     ],
     srcs: [
         "RpcTransportTls.cpp",
-        "RpcCertificateUtils.cpp",
+        "RpcTlsUtils.cpp",
     ],
 }