tcmalloc: adjust default memory release parameters

Makes the default and max release delays equal to the older values
used in Chromium, to reduce memory use.

BUG=724399,b:118386135

Change-Id: I651d5542c541b7e0e3a44b16b6c5800a4f7f9e1e
Reviewed-on: https://chromium-review.googlesource.com/c/1298339
Reviewed-by: Will Harris <wfh@chromium.org>
Commit-Queue: Gabriel Marin <gmx@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#603145}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 4572662a7f5f7f721dffe8244ea523248e36dbab
1 file changed
tree: e4101d02839a2a294c9c4edc8f1f4d1ccf299d52
  1. src/