Addressing API feedback

- Remove OnDeviceUpdateProcessingException and merge into OnDeviceIntelligenceServiceException
- Remove Content as it just wraps Bundle
- Dont inherit from OutcomeReceiver and refactored to a concrete class

Context: go/isolated-aicore

Test: added CTS test in topic
Bug: 328264029
Bug: 328516280
Bug: 327606252
Bug: 327606334
Bug: 327605664
Change-Id: Iadd5010a9e0778eaee1011f2f471882598d57c93