liblog: test: ARM64: Enable 32 and 64-bit liblog_benchmark

- Enable build for 32 and 64 bit benchmark executables
- Fix some cosmetics issues in logd_write.c

Change-Id: I544446e5116607d7fec89171135f6e1eff6aebd8
diff --git a/liblog/tests/Android.mk b/liblog/tests/Android.mk
index 172b186..8137a75 100644
--- a/liblog/tests/Android.mk
+++ b/liblog/tests/Android.mk
@@ -43,8 +43,7 @@
 LOCAL_CFLAGS += $(benchmark_c_flags)
 LOCAL_SHARED_LIBRARIES += liblog libm
 LOCAL_SRC_FILES := $(benchmark_src_files)
-LOCAL_MODULE_PATH := $(TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
-include $(BUILD_EXECUTABLE)
+include $(BUILD_NATIVE_TEST)
 
 # -----------------------------------------------------------------------------
 # Unit tests.