sepolicy: update common omni sepolicy

Change-Id: Ie82e9476191151b769cc4e29176cc6f1b8fdbe82
diff --git a/sepolicy/genfs_contexts b/sepolicy/genfs_contexts
new file mode 100644
index 0000000..7c9f694
--- /dev/null
+++ b/sepolicy/genfs_contexts
@@ -0,0 +1,6 @@
+###########################
+# OmniROM common sepolicy
+#
+
+# treat fuseblk as sdcard_external
+genfscon fuseblk / u:object_r:sdcard_external:s0