Enable overrides for ETC modules

Bug: 143975137
Test: TreeHugger
Change-Id: I8290d06726d8aabe265022cd84ec2ea97eff7acf
diff --git a/core/base_rules.mk b/core/base_rules.mk
index 32c5807..6b80a15 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -321,6 +321,8 @@
       EXECUTABLES.$(LOCAL_MODULE).OVERRIDES := $(strip $(LOCAL_OVERRIDES_MODULES))
     else ifeq ($(LOCAL_MODULE_CLASS),SHARED_LIBRARIES)
       SHARED_LIBRARIES.$(LOCAL_MODULE).OVERRIDES := $(strip $(LOCAL_OVERRIDES_MODULES))
+    else ifeq ($(LOCAL_MODULE_CLASS),ETC)
+      ETC.$(LOCAL_MODULE).OVERRIDES := $(strip $(LOCAL_OVERRIDES_MODULES))
     else
       $(call pretty-error,LOCAL_MODULE_CLASS := $(LOCAL_MODULE_CLASS) cannot use LOCAL_OVERRIDES_MODULES)
     endif