tree 0d441152de3df130c3334494289badb20b65d857
parent 0528bc77948e49bd75cfd4082fb8fef3a7238626
author Gloria Wang <gwang@google.com> 1298587905 -0800
committer Gloria Wang <gwang@google.com> 1299113604 -0800

- To track the usage of all audio output devices
- To track the currently used audio device
- The devices are separated as speaker and other audio devices
- Provide the collected data to battery application through pullBatteryData()

Change-Id: I374c755266b5ac6b1c6c630400f4daf901ea8acc