Add a factoryota-watch.mk file to include the OtaClient for wearable
device.

Bug: 303001898
Test: build rom and check it works
Change-Id: Ifcd7da3eabbddfa903662d26609a2e6a5248ece9
diff --git a/sota_app/factoryota-watch.mk b/sota_app/factoryota-watch.mk
new file mode 100644
index 0000000..3107a1c
--- /dev/null
+++ b/sota_app/factoryota-watch.mk
@@ -0,0 +1,4 @@
+PRODUCT_PACKAGES += \
+    FactoryOtaWearPrebuilt
+
+SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS += device/google/gs-common/sota_app/sepolicy/system_ext