Even though libapkverify doesn't do much verification for now, having
it in use would make CI detect errors in the future.
TODO:
- zipfuse should wait until APK is verified.
- boot should abort when verification fails.
Bug: 190343842
Test: MicrodroidHostTestCases
Change-Id: I221be1c7d9a0bfcd312593d3958f950311b67af5