Changes to the use statements done automatically via script
Addition of missing use statement done manually
Change-Id: I3d7a1ffe167b69d3f4ce51d0c248c758e1cdd70c
The use of "HookHandlers" attribute in extension.json makes it possible
to inject services into hook handler classes in a future patch.
Bug: T315938
Change-Id: I84027e2899b4a013b78fe4e95f191f1e4c89b5f8