Fix some issues for Linux Vulkan build

Fix some issues for Linux Vulkan build

lifecycle in GrVkGpu was tagged as uninitialized before use, and err in GrVkImage as unused.

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1782453004

Committed: https://skia.googlesource.com/skia/+/0fcfb7525f60eabfdaf9761c75c7d4fd1b46d0c5

[jvanverth1, 2016-03-09 14:52:05]

Description was changed from

==========
Fix some issues for Linux Vulkan build
==========

to

==========
Fix some issues for Linux Vulkan build
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

[jvanverth1, 2016-03-09 14:53:30]

Description was changed from

==========
Fix some issues for Linux Vulkan build
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

to

==========
Fix some issues for Linux Vulkan build

lifecycle in GrVkGpu was tagged as uninitialized before use, and err in
GrVkImage as unused.

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

[jvanverth1, 2016-03-09 14:53:47]

jvanverth@google.com changed reviewers:
+ bsalomon@google.com

[bsalomon, 2016-03-09 14:57:24]

On 2016/03/09 14:53:47, jvanverth1 wrote:

lgtm, we must have different compilers, I didn't get these errors.

[jvanverth1, 2016-03-09 16:14:09]

The CQ bit was checked by jvanverth@google.com

[commit-bot: I haz the power, 2016-03-09 16:14:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1782453004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1782453004/1

[commit-bot: I haz the power, 2016-03-09 17:57:54]

Description was changed from

==========
Fix some issues for Linux Vulkan build

lifecycle in GrVkGpu was tagged as uninitialized before use, and err in
GrVkImage as unused.

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

to

==========
Fix some issues for Linux Vulkan build

lifecycle in GrVkGpu was tagged as uninitialized before use, and err in
GrVkImage as unused.

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

Committed:
https://skia.googlesource.com/skia/+/0fcfb7525f60eabfdaf9761c75c7d4fd1b46d0c5
==========

[commit-bot: I haz the power, 2016-03-09 17:57:55]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/0fcfb7525f60eabfdaf9761c75c7d4fd1b46d0c5