Make Win runtime DLLs writeable before overwriting

Make Win runtime DLLs writeable before overwriting

This should fix the VS2015 bot which is failing because we can't
overwrite read-only DLL files.

BUG=skia:4553
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1813233002

Committed: https://skia.googlesource.com/skia/+/1195260e22fc2e9c92b435491d4d19108a20df5c

[borenet2, 2016-03-18 14:58:27]

Description was changed from

==========
Make Win runtime DLLs writeable before overwriting

This should fix the VS2015 bot which is failing because we can't
overwrite read-only DLL files.

BUG=skia:4553
==========

to

==========
Make Win runtime DLLs writeable before overwriting

This should fix the VS2015 bot which is failing because we can't
overwrite read-only DLL files.

BUG=skia:4553
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

[borenet, 2016-03-18 15:09:22]

borenet@google.com changed reviewers:
+ borenet@google.com, bungeman@google.com

[borenet, 2016-03-18 15:09:27]

The CQ bit was checked by borenet@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-03-18 15:09:36]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1813233002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1813233002/1

[commit-bot: I haz the power, 2016-03-18 15:18:06]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-03-18 15:18:07]

Dry run: This issue passed the CQ dry run.

[bungeman-skia, 2016-03-18 15:32:14]

lgtm

[borenet, 2016-03-18 15:32:41]

The CQ bit was checked by borenet@google.com

[commit-bot: I haz the power, 2016-03-18 15:32:46]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1813233002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1813233002/1

[commit-bot: I haz the power, 2016-03-18 15:33:41]

Description was changed from

==========
Make Win runtime DLLs writeable before overwriting

This should fix the VS2015 bot which is failing because we can't
overwrite read-only DLL files.

BUG=skia:4553
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

to

==========
Make Win runtime DLLs writeable before overwriting

This should fix the VS2015 bot which is failing because we can't
overwrite read-only DLL files.

BUG=skia:4553
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...

Committed:
https://skia.googlesource.com/skia/+/1195260e22fc2e9c92b435491d4d19108a20df5c
==========

[commit-bot: I haz the power, 2016-03-18 15:33:42]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/1195260e22fc2e9c92b435491d4d19108a20df5c