mako: Fix the modem crash on encryption phone

There is an efs sync problem because of class type of rmt_storage service.
When encrypting phone, modem crash may occur due to not being able to sync
properly between AP and CP. So, rmt_storage class should be a core class.

Bug: 11325693

Change-Id: I67fa1fe6a0f2863de0b83fc7d7d277c26bd0808b
1 file changed