modem_svc: move shared_modem_platform related sepolicy to gs-common

Bug: 372400955

Change-Id: I10410974041146ad508ca6748549507183cc1239
Flag: NONE local testing only
diff --git a/gs101-sepolicy.mk b/gs101-sepolicy.mk
index 3e8c902..c13b325 100644
--- a/gs101-sepolicy.mk
+++ b/gs101-sepolicy.mk
@@ -1,5 +1,5 @@
 # sepolicy that are shared among devices using whitechapel
-BOARD_SEPOLICY_DIRS += device/google/gs101-sepolicy/whitechapel/vendor/google
+BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs101-sepolicy/whitechapel/vendor/google
 
 # unresolved SELinux error log with bug tracking
 BOARD_SEPOLICY_DIRS += device/google/gs101-sepolicy/tracking_denials