Move overlay location from vendor/overlay to system/product/overlay or product/overlay

LOCAL_PRODUCT_MODULE flag was not supported until last week.

go/add-a-clean-spec

Test: builds
Bug: 118757933
Bug: 118757664

Change-Id: Iffcc735f8b204407b27f8f29a51b7286ec0eab69
diff --git a/packages/overlays/DisplayCutoutEmulationDoubleOverlay/Android.mk b/packages/overlays/DisplayCutoutEmulationDoubleOverlay/Android.mk
index d83b30a..7042906 100644
--- a/packages/overlays/DisplayCutoutEmulationDoubleOverlay/Android.mk
+++ b/packages/overlays/DisplayCutoutEmulationDoubleOverlay/Android.mk
@@ -4,6 +4,8 @@
 LOCAL_RRO_THEME := DisplayCutoutEmulationDouble
 LOCAL_CERTIFICATE := platform
 
+LOCAL_PRODUCT_MODULE := true
+
 LOCAL_SRC_FILES := $(call all-subdir-java-files)
 
 LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res