tree 618806a885d90b8e42bde8857b29b1829631c897
parent c3dddce205ef44933813394013ee5ef89b63653b
author Tao Bao <tbao@google.com> 1435730952 -0700
committer Tao Bao <tbao@google.com> 1435731044 -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: I4e8d4f6734967caf4f0d19c734027f7b6c107370