Install all host modules.  Don't filter out ones tagged "optional"

Change-Id: I9b3a27a4c84ee748314e98603670eb939ae949e2
diff --git a/core/ b/core/
index ecb9c30..deb73ea 100644
--- a/core/
+++ b/core/
@@ -511,9 +511,7 @@
 # All host modules that are not tagged with optional are automatically installed.
 # Save the installed files in ALL_HOST_INSTALLED_FILES.
 ifeq ($(LOCAL_IS_HOST_MODULE),true)
-  ifneq ($(filter optional,$(LOCAL_MODULE_TAGS)),optional)
-  endif
   ifneq ($(filter debug eng tests, $(LOCAL_MODULE_TAGS)),)
     $(warning $(LOCAL_MODULE_MAKEFILE): Module "$(LOCAL_MODULE)" has useless module tags: $(filter debug eng tests, $(LOCAL_MODULE_TAGS)). It will be installed anyway.)
     LOCAL_MODULE_TAGS := $(filter-out debug eng tests, $(LOCAL_MODULE_TAGS))