[packetrouter] Add oem-iptables-init.sh to artifact path allowed list

In order to apply user-defined chain from vendor by using
oem-iptables-init.ch, shell script path is added to
PRODUCT_ARTIFACT_PATH_REQUIREMENT_ALLOWED_LIST.

Bug: 312772796

Signed-off-by: Seungah Lim <sss.lim@samsung.com>
(cherry picked from https://partner-android-review.googlesource.com/q/commit:83a119d7b7102319f7cb5d5015c8f01963ee7cf7)
Merged-In: If1b57f985284561f537c1124cd60fe91215f5adc
Change-Id: If1b57f985284561f537c1124cd60fe91215f5adc
(cherry picked from commit fbf009b886cb6391b0833ab147a18c4cf9adda0d)
diff --git a/telephony/pktrouter.mk b/telephony/pktrouter.mk
index dd923b5..7af3422 100644
--- a/telephony/pktrouter.mk
+++ b/telephony/pktrouter.mk
@@ -1,3 +1,5 @@
 PRODUCT_PACKAGES += wfc-pkt-router
 PRODUCT_PROPERTY_OVERRIDES += vendor.pktrouter=1
 BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs101-sepolicy/telephony/pktrouter
+PRODUCT_ARTIFACT_PATH_REQUIREMENT_ALLOWED_LIST += \
+    $(TARGET_COPY_OUT_SYSTEM)/bin/oem-iptables-init.sh