Revert "Remove device/google/atv overlay from RRO exclusion"

Revert submission 1510032-atv-rro

Reason for revert: b/178396156
Reverted Changes:
If9a99f850:Move keyguard enabled to Component Override
I1b0056b50:Make device/google/atv compatible with RRO
If766a0152:Remove device/google/atv overlay from RRO exclusio...
I9df2747d9:Remove device/google/atv/overlay
If689c72c2:Move device/google/atv overlays into SystemUI

Change-Id: Ib5636ad1e7f53f7d80d56cad7c3018d8e499aecd
diff --git a/products/atv_mainline_system.mk b/products/atv_mainline_system.mk
index 5c2b099..1afc39e 100644
--- a/products/atv_mainline_system.mk
+++ b/products/atv_mainline_system.mk
@@ -86,6 +86,7 @@
 PRODUCT_USE_DYNAMIC_PARTITION_SIZE := true
 
 PRODUCT_ENFORCE_RRO_TARGETS := *
+PRODUCT_ENFORCE_RRO_EXCLUDED_OVERLAYS += device/google/atv/overlay
 
 PRODUCT_NAME := atv_mainline_system
 PRODUCT_BRAND := generic