As part of the ota metadata work to support partial update, we should
add the per-partition device name, fingerprint, and version to the ota
metadata.
Bug: 151088567
Bug: 166154730
Test: unit tests pass, generate a package
Change-Id: I7a71a4860aad651daf9e62df39c60d72727c14ff
Background in http://go/android-partial-updates. For partial update
(e.g. system-only) or devices with mixed build, the current
fingerprint & device name no longer suffice as the precondition to
install the package.
Therefore, we need to additionally include the per-partition build
props into the ota metadata. We also define a protobuf for the metadata
so it can be extended later. The metadata of the legacy format is also
kept for backward compatibility.
Bug: 151088567
Test: unittest pass, generate an OTA and check the result
Change-Id: I716f7da54a393cd340280dbddc3c92b3460f8ef8
Pylint reports lot of error on ota_utils.py, because some members of
OPTIONS object aren't defined. This CL moves some definition from
ota_from_target_files.py to ota_utils.py to fix these lint errors.
Test: Make an OTA package
Change-Id: I1e9f255d5919712b13329046c72650dfac184701
