support for per-partition fs_type (do not merge)

Include the recovery.fstab file in the recovery image.  Remove the
global fs_type and partition_type values from the target-files
key/value dict, and parse the recovery.fstab file instead to find
types for each partition.

Change-Id: I35ee2dd0989441dc2a704b63c1b32e598049acb5
5 files changed