Make Windows a non-multilib target.

We don't have a toolchain for 64-bit windows.

This allows running `USE_MINGW=1 mm` in a directory that has a host
module with LOCAL_MULTILIB := both.

Change-Id: I31f981b38fb80b0d6582bab0a4bd580a3c654c91
diff --git a/core/envsetup.mk b/core/envsetup.mk
index 3bfcbe7..015cfee 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -255,6 +255,7 @@
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATE_LIBRARIES := $($(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATES)/lib
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES := $(HOST_OUT)/lib
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_EXECUTABLES := $(HOST_OUT_EXECUTABLES)
+$(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_JAVA_LIBRARIES := $(HOST_OUT_JAVA_LIBRARIES)
 
 # The default host library path.
 # It always points to the path where we build libraries in the default bitness.