trusty: add gatekeeper module

Change-Id: I3e468c103326e6a9147dbed6c803748ffd5e207a
diff --git a/CleanSpec.mk b/CleanSpec.mk
index b3661e4..3cad427 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -56,3 +56,5 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/EXECUTABLES/lmkd_intermediates/import_includes)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libsysutils_intermediates/import_includes)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/bin/grep $(PRODUCT_OUT)/system/bin/toolbox)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib/hw/gatekeeper.$(TARGET_DEVICE).so)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib64/hw/gatekeeper.$(TARGET_DEVICE).so)
diff --git a/trusty/gatekeeper/Android.mk b/trusty/gatekeeper/Android.mk
index 13e9a09..3982c8f 100644
--- a/trusty/gatekeeper/Android.mk
+++ b/trusty/gatekeeper/Android.mk
@@ -43,8 +43,4 @@
 
 LOCAL_MODULE_TAGS := optional
 
-# Symlink gatekeeper.trusty.so -> gatekeeper.<device>.so so libhardware can find it.
-LOCAL_POST_INSTALL_CMD = \
-    $(hide) ln -sf $(notdir $(LOCAL_INSTALLED_MODULE)) $(dir $(LOCAL_INSTALLED_MODULE))gatekeeper.$(TARGET_DEVICE).so
-
 include $(BUILD_SHARED_LIBRARY)