Remove dependency of audio_device on metrics_default.
Remove dependency of audio_device on metrics_default.

BUG=webrtc:6349
NOTRY=True

Review-Url: https://codereview.webrtc.org/2338813002
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#14205}

ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc