[test] Increase buffer for reading memory usage.

[test] Increase buffer for reading memory usage.

When the test is executed in user mode qemu for mips64, it fails because
the buffer is too small. Increasing the buffer fixes the problem.

BUG=
TEST=cctest/test-mark-compact/RegressJoinThreadsOnIsolateDeinit

Committed: https://crrev.com/86fcace5b4b7f78b554ccc60dfe8ad512feb38bd
Cr-Commit-Position: refs/heads/master@{#40278}

[miran.karic, 2016-10-12 13:26:38]

miran.karic@imgtec.com changed reviewers:
+ bmeurer@chromium.org, ivica.bogosavljevic@imgtec.com, mstarzinger@chromium.org

[miran.karic, 2016-10-12 13:26:38]

Short fix, PTAL

[Benedikt Meurer, 2016-10-13 11:04:15]

LGTM.

[miran.karic, 2016-10-13 14:34:45]

The CQ bit was checked by miran.karic@imgtec.com

[commit-bot: I haz the power, 2016-10-13 14:34:58]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-13 15:17:52]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-13 15:18:08]

Description was changed from

==========
[test] Increase buffer for reading memory usage.

When the test is executed in user mode qemu for mips64, it fails because
the buffer is too small. Increasing the buffer fixes the problem.

BUG=
TEST=cctest/test-mark-compact/RegressJoinThreadsOnIsolateDeinit
==========

to

==========
[test] Increase buffer for reading memory usage.

When the test is executed in user mode qemu for mips64, it fails because
the buffer is too small. Increasing the buffer fixes the problem.

BUG=
TEST=cctest/test-mark-compact/RegressJoinThreadsOnIsolateDeinit

Committed: https://crrev.com/86fcace5b4b7f78b554ccc60dfe8ad512feb38bd
Cr-Commit-Position: refs/heads/master@{#40278}
==========

[commit-bot: I haz the power, 2016-10-13 15:18:09]

Patchset 1 (id:??) landed as
https://crrev.com/86fcace5b4b7f78b554ccc60dfe8ad512feb38bd
Cr-Commit-Position: refs/heads/master@{#40278}