tree a01544b99af8c148b9f3d66b5542107624f48f1d
parent 2490dbc9325ad522ec5ee031f5493d2e975f3a49
author Tao Bao <tbao@google.com> 1435730952 -0700
committer Tao Bao <tbao@google.com> 1436628955 -0700

Revert "Zero blocks before BLKDISCARD"

This reverts commit b65f0272c860771f2105668accd175be1ed95ae9.

It slows down the update too much on some devices (e.g. increased
from 8 mins to 40 mins to take a full OTA update).

Bug: 22129621
Change-Id: I016e3b47313e3113f01bb4f8eb3c14856bdc35e5
(cherry picked from commit 7125f9594db027ce4313d940ce2cafac67ae8c31)