It is using system APIs, but we might want to update it via the play
store.
Hence, replace all internal APIs used with support lib APIs. There is
no replacement for @Immutable, but this is just a informational
annotation, so it can just be removed.
As system-api is tied to a specific platform version, remove all
minSDK/targetSDK settings in the manifest.
Change-Id: Ia8f9c718fd688db295c7bc3bfe05e2074f9bd413
Fixes: 78162439
Test: Looked at print service recommendations
dafa6424b2