Deliver an Intent on excessive I/O activity

CarStorageMonitoringService will attempt to detect write rates and
fsync call metrics that exceed an OEM-configurable threshold for
appropriate behavior, and - should actual system activity go above those
thresholds - it will deliver an intent to an OEM-specified receiver.

Test: writing one
Bug: 32512551
Bug: 65846699
Change-Id: I1bb5812d3d671067c62d8870c0ae98824d7590f0
12 files changed