Disable -check_heap_mismatch for 64-bit Dr. Memory

Disable -check_heap_mismatch for 64-bit Dr. Memory

Disables Dr. Memory's -check_heap_mismatch feature on 64-bit Chromium,
where some false positives are proving difficult to solve.

TBR=zhaoqin@chromium.org
BUG=https://github.com/DynamoRIO/drmemory/issues/1839

Committed: https://crrev.com/36ac036574aa4fd4d5a99d04895151d265ac1414
Cr-Commit-Position: refs/heads/master@{#367234}

[Derek Bruening, 2015-12-31 06:04:48]

The CQ bit was checked by bruening@chromium.org

[commit-bot: I haz the power, 2015-12-31 06:05:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1551953003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1551953003/1

[commit-bot: I haz the power, 2015-12-31 06:49:08]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-31 06:50:05]

Description was changed from

==========
Disable -check_heap_mismatch for 64-bit Dr. Memory

Disables Dr. Memory's -check_heap_mismatch feature on 64-bit Chromium,
where some false positives are proving difficult to solve.

TBR=zhaoqin@chromium.org
BUG=https://github.com/DynamoRIO/drmemory/issues/1839
==========

to

==========
Disable -check_heap_mismatch for 64-bit Dr. Memory

Disables Dr. Memory's -check_heap_mismatch feature on 64-bit Chromium,
where some false positives are proving difficult to solve.

TBR=zhaoqin@chromium.org
BUG=https://github.com/DynamoRIO/drmemory/issues/1839

Committed: https://crrev.com/36ac036574aa4fd4d5a99d04895151d265ac1414
Cr-Commit-Position: refs/heads/master@{#367234}
==========

[commit-bot: I haz the power, 2015-12-31 06:50:06]

Patchset 1 (id:??) landed as
https://crrev.com/36ac036574aa4fd4d5a99d04895151d265ac1414
Cr-Commit-Position: refs/heads/master@{#367234}