binderAllocationLimits - fix for 32-bit

Fixes: 264514421
Test: binderAllocationLimits (32-bit and 64-bit passes)
Change-Id: Iaad3c643fc4cb80f40e22f9976c754da6b45cef5
diff --git a/libs/binder/tests/binderAllocationLimits.cpp b/libs/binder/tests/binderAllocationLimits.cpp
index 6a6e008..bc40864 100644
--- a/libs/binder/tests/binderAllocationLimits.cpp
+++ b/libs/binder/tests/binderAllocationLimits.cpp
@@ -180,7 +180,11 @@
         mallocs++;
         // Happens to be SM package length. We could switch to forking
         // and registering our own service if it became an issue.
+#if defined(__LP64__)
         EXPECT_EQ(bytes, 78);
+#else
+        EXPECT_EQ(bytes, 70);
+#endif
     });
 
     a_binder->getInterfaceDescriptor();