Add a comment to the top of ignores.txt.

It is generally preferred to add attributes to the code instead of
adding entries to the ignores.txt file. Add a comment to the top
of the file saying so.

Change-Id: Ic4df8e72f82d0687522765745aa441d2cca3ea91
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4718627
Reviewed-by: Dirk Pranke <dpranke@google.com>
Commit-Queue: Dirk Pranke <dpranke@google.com>
Auto-Submit: Peter Collingbourne <pcc@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1175103}
NOKEYCHECK=True
GitOrigin-RevId: dd986de5ff224b3003b8b0c1e0f17e432c323c51
1 file changed
tree: cc639b3a5cd520ccc4e8c33731ab8b0ddde12ff1
  1. ignores.txt
  2. OWNERS