Use 64 bit binder interface if TARGET_USES_64_BIT_BINDER _or_ TARGET_IS_64_BIT is set.

Change-Id: I46a29939fa29ec9421ab6dff3285502f69a31745
diff --git a/cmds/servicemanager/Android.mk b/cmds/servicemanager/Android.mk
index 12149f6..4ab8df6 100644
--- a/cmds/servicemanager/Android.mk
+++ b/cmds/servicemanager/Android.mk
@@ -4,8 +4,10 @@
 	-Wall -Wextra \
 
 ifneq ($(TARGET_USES_64_BIT_BINDER),true)
+ifneq ($(TARGET_IS_64_BIT),true)
 svc_c_flags += -DBINDER_IPC_32BIT=1
 endif
+endif
 
 include $(CLEAR_VARS)
 LOCAL_SHARED_LIBRARIES := liblog