HardwarePropertiesManager: Add API for hardware properties retrieval

Add serive "hardwareproperties" and methods getDeviceTemperatures,
getCpuUsages and getFanSpeeds to retrieve hardware properties:
device temperatures (CPU, GPU and battery), CPU usages and fan speeds.
This is a public API.

Bug: 22407109
Change-Id: If7efcbba7b160256d41704b60d93a7218dcc79d7
10 files changed