WorkspaceLayoutManagerBackdropTest.OpenAppListInOverviewMode consistently fails on chromium.memory/Linux Chromium OS ASan LSan Test.

E.g. please see:
http://build.chromium.org/p/chromium.memory/builders/Linux%20Chromium%20OS%20ASan%20LSan%20Tests%20(1)/builds/27284
http://build.chromium.org/p/chromium.memory/builders/Linux%20Chromium%20OS%20ASan%20LSan%20Tests%20(1)/builds/27280
https://ci.chromium.org/buildbot/chromium.memory/Linux%20Chromium%20OS%20ASan%20LSan%20Tests%20(1)/27275

Hi,

Could you please take a look, it seems similar to:  crbug.com/838595 

+minch

assign to minch who is author of WorkspaceLayoutManagerBackdropTest.OpenAppListInOverviewMode

thanks, just sent https://chromium-review.googlesource.com/c/chromium/src/+/1040533 to fix.

Linked to incorrect issue, cl already merged.

reopen, since still flaky, related cl 838756

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/6d730ee7e25d0c76ea769914442de439f32c3611

commit 6d730ee7e25d0c76ea769914442de439f32c3611
Author: Min Chen <minch@google.com>
Date: Fri May 04 18:44:38 2018

Disable WorkspaceLayoutManagerBackdropTest.OpenAppListInOverviewMode in asan.

Bug: 838756,  838822 ,  837092 
Change-Id: I9f7fcb79a8305632ca264324f69aee1ae7d2ac71
Reviewed-on: https://chromium-review.googlesource.com/1042868
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Commit-Queue: Min Chen <minch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#556132}
[modify] https://crrev.com/6d730ee7e25d0c76ea769914442de439f32c3611/ash/wm/workspace/workspace_layout_manager_unittest.cc