There's no downstream use of kFileFormatCompressedFile,
kFileFormatPreencodedFile or kFileFormatPcm48kHzFile.
Bug: None
Change-Id: I66cbe71151472d6348515a2432a280acbc3bbf85
Reviewed-on: https://webrtc-review.googlesource.com/28040
Reviewed-by: Magnus Flodman <mflodman@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21078}