Mark BUILD_HOST_EXECUTABLE as deprecated

The last common user has been removed

Bug: 130696912
Test: treehugger
Change-Id: I7920719edfdef295f4136326445836053db5adf8
diff --git a/core/executable.mk b/core/executable.mk
index c8d9272..db8dcc6 100644
--- a/core/executable.mk
+++ b/core/executable.mk
@@ -6,6 +6,10 @@
 # LOCAL_MODULE_PATH_32 and LOCAL_MODULE_PATH_64 or LOCAL_MODULE_STEM_32 and
 # LOCAL_MODULE_STEM_64
 
+ifdef LOCAL_IS_HOST_MODULE
+  $(call pretty-error,BUILD_EXECUTABLE is incompatible with LOCAL_IS_HOST_MODULE. Use BUILD_HOST_EXECUTABLE instead.)
+endif
+
 my_skip_this_target :=
 ifneq ($(filter address,$(SANITIZE_TARGET)),)
   ifeq (true,$(LOCAL_FORCE_STATIC_EXECUTABLE))