Reland "Removing webrtc::AudioFrame::energy_."

Some WebRTC client had a problem with the change "Removing webrtc::AudioFrame::energy_". Now it is solved.

This reverts commit 2bdcfadc8abd418a30dd5cdf54ba45a429d3d9bf.

BUG=webrtc:3315

Review URL: https://codereview.webrtc.org/1638553003

Cr-Original-Commit-Position: refs/heads/master@{#11448}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: e37a2d180238bcf8c74b6dede72d0b9d6c08cb9d
5 files changed