move insert module script sepolicy to gs-common

Bug: 243763292
Test: boot to home with no relevant SELinux error
Change-Id: I6646fa4433fc1ccb94ac05f9cc8d7076a6a2d8cf
diff --git a/insmod/insmod.mk b/insmod/insmod.mk
index ac8d555..aa2261a 100644
--- a/insmod/insmod.mk
+++ b/insmod/insmod.mk
@@ -1,3 +1,4 @@
+BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/insmod/sepolicy
 PRODUCT_PACKAGES += \
         insmod.sh \
         init.common.cfg