Tweaks to CarStorageMonitoring:
- add an API to retrieve the current wear estimates
- protect API by system permission

Test: KitchenSink and runtest -x packages/services/Car/tests/carservice_test/src/com/android/car/CarStorageMonitoringTest.java
Bug: 32512551
Change-Id: I2a937dbc525d86c10f6c546b63eb992513807e54
12 files changed