Fix HOST_LIBRARY_PATH.

Since we switched to $(HOST_OUT)/lib64 for 64-bit libraries and
$(HOST_OUT)/lib for 32-bit libraries.

Change-Id: Ie43bc03c37e2ac8542412a7543a6af5d60c6f725
diff --git a/core/envsetup.mk b/core/envsetup.mk
index 87371b9..a57041b 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -238,7 +238,11 @@
 
 # The default host library path.
 # It always points to the path where we build libraries in the default bitness.
-HOST_LIBRARY_PATH := $(HOST_OUT)/lib
+ifeq ($(HOST_PREFER_32_BIT),true)
+HOST_LIBRARY_PATH := $($(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES)
+else
+HOST_LIBRARY_PATH := $(HOST_OUT_SHARED_LIBRARIES)
+endif
 
 TARGET_OUT_INTERMEDIATES := $(PRODUCT_OUT)/obj
 TARGET_OUT_HEADERS := $(TARGET_OUT_INTERMEDIATES)/include