[incremental/pm] set health listener on commit and on reboot

This changes allow Incremental Service to directly report health status
to package manager service.

A health listener is created during package installation session to
monitor incremental storage health. After commit, a new listener is
created and will overwrite the old one.

The new listener will listen to incremental storage health and report
the status to package manager service, which will then send the status
to IncrementalStates, where the startability state and unstartable
reason might change, based on the health status code.

During reboot, for each incremental package, if it is not fully loaded,
the package manager service will register a health status listener to
continue monitor the health status of this package.

Test: unit test
Test: manual
BUG: 170435166
Change-Id: I220f230c523cfaf2c96019f9478554665e6af486