dump f2fs in gs-common

Bug: 248143736
Test: adb bugreport
Change-Id: Ifcd0b3aaa017d106530c58a1ce2b56d77af1b12d
diff --git a/storage/sepolicy/file_contexts b/storage/sepolicy/file_contexts
new file mode 100644
index 0000000..eda4cf7
--- /dev/null
+++ b/storage/sepolicy/file_contexts
@@ -0,0 +1 @@
+/vendor/bin/dump/dump_storage\.sh      u:object_r:dump_storage_exec:s0