Cleanup some code

native/src/base/logging.cpp

@@ -15,7 +15,7 @@ static int fmt_and_log_with_rs(LogLevel level, const char *fmt, va_list ap) {
     buf[0] = '\0';
     // Fortify logs when a fatal error occurs. Do not run through fortify again
     int len = std::min(__call_bypassing_fortify(vsnprintf)(buf, sz, fmt, ap), sz - 1);
-    log_with_rs(level, rust::Slice(reinterpret_cast<const uint8_t *>(buf), len));
+    log_with_rs(level, u8_slice(buf, sz));
     return len;
 }