Minor build-outside-android fixes

- add missing includes
- fix maybe_unused warning
- use LOG_ALWAYS_FATAL instead of __assert (behind flag)

Bug: 302723053
Test: mma in binder folder
Change-Id: I4e90ff7c7f37e6736bc38abaa11744ccf7155a17
diff --git a/libs/binder/file.cpp b/libs/binder/file.cpp
index bac667e..6e450b9 100644
--- a/libs/binder/file.cpp
+++ b/libs/binder/file.cpp
@@ -18,6 +18,8 @@
 
 #ifdef BINDER_NO_LIBBASE
 
+#include "Utils.h"
+
 #include <stdint.h>
 
 // clang-format off