In platform_DebugDaemonGetPerfData, log the result length only.

The platform_DebugDaemonGetPerfData prints a log line with the
result data it gathers.  That line can be excessively long (as
in 100's of GB).  So, report the length of the returned result
instead.

BUG=chromium:279496
TEST=None

Change-Id: If2071c2c8542c09921faacf64febafa41356904d
Reviewed-on: https://chromium-review.googlesource.com/174886
Commit-Queue: Richard Barnette <jrbarnette@chromium.org>
Tested-by: Richard Barnette <jrbarnette@chromium.org>
Reviewed-by: Dan Shi <dshi@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/176745
Reviewed-by: Scott Zawalski <scottz@chromium.org>
1 file changed