Use -s to pass string date to 'adb shell date' command to set date in provision.

Use -s to pass string date to 'adb shell date' command to set date in provision.

The 'date -u' was not working on N5 devices. The -s option seems to work across
devices. I've tested on N4 and N5.

BUG=406848
Committed: https://crrev.com/e3b2f5071ae50778f07abbc84fc6a9e07e169892
Cr-Commit-Position: refs/heads/master@{#300542}

[navabi, 2014-10-21 18:47:39]

navabi@google.com changed reviewers:
+ jbudorick@chromium.org, yfriedman@google.com, zty@chromium.org

[Yaron, 2014-10-21 18:49:32]

On 2014/10/21 18:47:40, navabi wrote:

lgtm

[navabi, 2014-10-21 18:50:01]

The CQ bit was checked by navabi@google.com

[commit-bot: I haz the power, 2014-10-21 18:51:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/668013003/1

[commit-bot: I haz the power, 2014-10-21 20:04:54]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-21 20:05:43]

Patchset 1 (id:??) landed as
https://crrev.com/e3b2f5071ae50778f07abbc84fc6a9e07e169892
Cr-Commit-Position: refs/heads/master@{#300542}

[mattm, 2014-10-21 21:56:57]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/667303002/ by mattm@chromium.org.

The reason for reverting is: Broke the same tests mentioned on the bug on
existing android bots, ex:
https://build.chromium.org/p/chromium.linux/builders/Android%20Tests%20%28dbg...
https://build.chromium.org/p/chromium.linux/builders/Android%20Tests/builds/1...

.