[Detail] Add policy for mnt_vendor mount MTK-Commit-Id: 551e110f1e6b3b7840b53152630bdbacb86b0851 Change-Id: I182f4a7ba56ca0d7dc8c152a3e3161f3e8f63638 CR-Id: ALPS03841317 Feature: eMMC Boot Up
Change-Id: Ic78db8195c5c51f85c9c6fd3ef8333489afd6e79 MTK-Commit-Id: 848bf57127be9d01fd1df4aab95737855456afee