modularize gsc dump

Bug: 242479757
Test: do bugreport that has the same content as before
Change-Id: I4098775fb4b3f40167920354b2c361d801b11594
diff --git a/dauntless/gsc.mk b/dauntless/gsc.mk
new file mode 100644
index 0000000..fd3e3bc
--- /dev/null
+++ b/dauntless/gsc.mk
@@ -0,0 +1,2 @@
+PRODUCT_PACKAGES += dump_gsc.sh
+BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/dauntless/sepolicy