omni: fix emulator builds for pie

Change-Id: Ie4545f8150c7a8f86d0a108be8fbe80a435394e4
diff --git a/utils/emulator/fstab.ranchu b/utils/emulator/fstab.ranchu
index 31958e9..0c83d59 100644
--- a/utils/emulator/fstab.ranchu
+++ b/utils/emulator/fstab.ranchu
@@ -2,7 +2,5 @@
 #<src>                                                  <mnt_point>         <type>    <mnt_flags and options>                              <fs_mgr_flags>
 # The filesystem that contains the filesystem checker binary (typically /system) cannot
 # specify MF_CHECK, and must come before any filesystems that do specify MF_CHECK
-/dev/block/vda                                          /system             ext4      ro                                                   wait
-/dev/block/vdb                                          /cache              ext4      noatime,nosuid,nodev,nomblk_io_submit,errors=panic   wait
-/dev/block/vdc                                          /data               ext4      noatime,nosuid,nodev,nomblk_io_submit,errors=panic   wait,check,quota
-/devices/*/block/vdd                                    auto                auto      defaults                                             voldmanaged=sdcard:auto,encryptable=userdata
+/dev/block/vdc                                          /data               ext4      noatime,nosuid,nodev,nomblk_io_submit,errors=panic   wait,check,quota,forceencrypt=/dev/block/vdd
+/devices/*/block/vdf                                    auto                auto      defaults                                             voldmanaged=sdcard:auto,encryptable=userdata