[remoting][FTL] Removing VLOG(0)'s

I have introduced quite a few VLOG(0)'s to /remoting to help debugging
FTL signaling issues, and we are in a stage where this information is
not much needed.

This CL changes VLOG(0) to VLOG(1), or HOST_LOG if it is still useful.

Change-Id: I017d23331589b3b0978376f493b4d5d7b0655ca7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1607441
Commit-Queue: Yuwei Huang <yuweih@chromium.org>
Commit-Queue: Joe Downing <joedow@chromium.org>
Reviewed-by: Joe Downing <joedow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#658867}
5 files changed