V1.2: Add SGP.32-custom StoreMetadata
Add new StoreMetadata, which overrides and expands StoreMetadata from
SGP.22. There is no impact on IPA process, because it is optional and
not used.
Reference: SGP.32 Section 5.5
Related: SYS#8101
Change-Id: Icfbc141dda82f091bcc9a1d7177e9fdb5b424750
