minor refactor to app_bits_spec

Change-Id: Ic0016dd0010f5407c608710f821abd76c3f13832
do not require zip file when updating bits

Change-Id: I7edaab5b76c58a8a40180f0307c0208ec4b1281c
[fixes again #44321011] Move space_summary_endpoint to be more consistent with nested structure