Put gs_watchdog settings to one place

Bug: 248428203
Test: gs_watchdog is still in system_ext
Change-Id: Iaa0e1871a4459af02a004f7b3b2861b53709c608
diff --git a/gs_watchdogd/watchdog.mk b/gs_watchdogd/watchdog.mk
new file mode 100644
index 0000000..69cbbbd
--- /dev/null
+++ b/gs_watchdogd/watchdog.mk
@@ -0,0 +1,6 @@
+# Platform watchdogd
+PRODUCT_PACKAGES += gs_watchdogd
+PRODUCT_SOONG_NAMESPACES += \
+	device/google/gs-common/gs_watchdogd
+SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS += \
+	device/google/gs-common/gs_watchdogd/sepolicy