Add compatibility metadata to OTA package

Store the metadata in a archive within the OTA package so the collection
can be retrieved as a single unit by the device.

Bug: 36810913
Test: `make dist` marlin (ab) and angler (non-AB) for incremental and full OTA.
Change-Id: I94118e48a3c6ed5ff890b67d7dafbca02346aeea
1 file changed