Use the new argument ordering for mx_cprng_draw

runtime/bin/crypto_fuchsia.cc

Index: runtime/bin/crypto_fuchsia.cc
diff --git a/runtime/bin/crypto_fuchsia.cc b/runtime/bin/crypto_fuchsia.cc
index 04c5f2254760ee7b279625a1190d32a34b5ddcb4..b4c84d01ef8fa745863c3ecbf698b3289a36caa6 100644
--- a/runtime/bin/crypto_fuchsia.cc
+++ b/runtime/bin/crypto_fuchsia.cc
@@ -19,8 +19,9 @@ bool Crypto::GetRandomBytes(intptr_t count, uint8_t* buffer) {
     const intptr_t len =
         (MX_CPRNG_DRAW_MAX_LEN < remaining) ? MX_CPRNG_DRAW_MAX_LEN
                                             : remaining;
-    const mx_ssize_t res = mx_cprng_draw(buffer + read, len);
-    if (res == ERR_INVALID_ARGS) {
+    mx_size_t res = 0;
+    const mx_status_t status = mx_cprng_draw(buffer + read, len, &res);
+    if (status != NO_ERROR) {
       return false;
     }
     read += res;