Support host phony package.

Bug: 11467421
Change-Id: I146387aecc57aaabbbb81f8c8bc9b5c9a5e81f05
diff --git a/core/envsetup.mk b/core/envsetup.mk
index 8ac437e..24174eb 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -184,6 +184,7 @@
 HOST_OUT_INTERMEDIATE_LIBRARIES := $(HOST_OUT_INTERMEDIATES)/lib
 HOST_OUT_NOTICE_FILES:=$(HOST_OUT_INTERMEDIATES)/NOTICE_FILES
 HOST_OUT_COMMON_INTERMEDIATES := $(HOST_COMMON_OUT_ROOT)/obj
+HOST_OUT_FAKE := $(HOST_OUT)/fake_packages
 
 TARGET_OUT_INTERMEDIATES := $(PRODUCT_OUT)/obj
 TARGET_OUT_HEADERS:= $(TARGET_OUT_INTERMEDIATES)/include