Updated ATV build to support network sync of content.

Bug: 37902220

Test: Manual
Change-Id: I223403d4275702753953af92f051ce23d14b4682
diff --git a/products/atv_base.mk b/products/atv_base.mk
index 7e36622..404da59 100644
--- a/products/atv_base.mk
+++ b/products/atv_base.mk
@@ -114,8 +114,15 @@
 # To enable access to /dev/dvb*
 BOARD_SEPOLICY_DIRS += device/google/atv/sepolicy
 
+# This property defines the tutorial content for this device
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.tutorials_content.android=android8
+
 # Content for ATV Tutorials / Post-Setup Tour
 PRODUCT_COPY_FILES += \
+    device/google/atv/tutorial-library-google.zip.etag:system/media/tutorial-library-google.zip.etag
+
+PRODUCT_COPY_FILES += \
     device/google/atv/tutorial-library-google.zip:system/media/tutorial-library-google.zip
 
 $(call inherit-product-if-exists, frameworks/base/data/sounds/AudioTv.mk)
diff --git a/tutorial-library-google.zip.etag b/tutorial-library-google.zip.etag
new file mode 100644
index 0000000..826f22d
--- /dev/null
+++ b/tutorial-library-google.zip.etag
@@ -0,0 +1 @@
+86c75b1000b94843c25871aa11c51ff6