Proto commits in saurabhshri/CCAligner

These 2 commits are when the Protocol Buffers files have changed:

Commit:1ab210a
Author:Saurabh Shrivastava

Downgrade webRTC version, linker error in new ver. Unnecessary RTC_DCHECK_GT macros.

The documentation is generated from this commit.

Commit:576d670
Author:Saurabh Shrivastava

Added webRTC library for VAD