[PEPC] Add console log when the PEPC is disabled

The log provides additional context in cases where PEPC is inactive
(particularly when users click on the element), so that devs/users can
understand the situation and take steps to improve it.

Fix: 335834691
Bug: 1462930
Change-Id: I9f0ec0ec732d8dc8c9af7b0635a877be79b80153
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5472043


Reviewed-by: Mason Freed <masonf@chromium.org>
Commit-Queue: Thomas Nguyen <tungnh@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1291986}