jewel: create filesystems in init, not early-init

* /storage is created in init, meaning these commands fail in early-init

Change-Id: I68df8d8b431924eda148f7541a3826f3b2303c75
jewel: ensure /cache is formatted

Change-Id: I80c42fd17fc251309ea148bed45431a1aac4226a
Merge remote-tracking branch 'upstream/cm-10.2' into cm-10.2