AImageReader: Add setUsage() interface

Add setUsage() interface to update usage bits while using AImageReader.

The new interface should not be used for dynamic use cases.
Setup and cleanup for producer side should be done before use after
calling the interface.

Bug: 201479783
Test: presubmit
Change-Id: I5c146f98358b97c71770ac3655da0b4ae9db8afe
4 files changed