Revert "Revert "Enable verity on userdebug, and add disable-verity to adb""

This reverts commit 152d2d4234ba89e0c20c4af13e291b6049a7bc33.

Fixed build error, and also fixed memory leak spotted from warning.

Bug: 17691572
Change-Id: I23b5ba537f7b557432041d4338b38b9be434e981
diff --git a/fs_mgr/fs_mgr_fstab.c b/fs_mgr/fs_mgr_fstab.c
index 3f84179..ab8f128 100644
--- a/fs_mgr/fs_mgr_fstab.c
+++ b/fs_mgr/fs_mgr_fstab.c
@@ -418,6 +418,11 @@
     return fstab->fs_mgr_flags & MF_NONREMOVABLE;
 }
 
+int fs_mgr_is_verified(struct fstab_rec *fstab)
+{
+    return fstab->fs_mgr_flags & MF_VERIFY;
+}
+
 int fs_mgr_is_encryptable(struct fstab_rec *fstab)
 {
     return fstab->fs_mgr_flags & (MF_CRYPT | MF_FORCECRYPT);