Add util scripts for killing android webview shell.

Add util scripts for killing android webview shell.

BUG=None
TEST=

Committed: https://crrev.com/aa928ff8aa04cba903718f2bad61bce06b763343
Cr-Commit-Position: refs/heads/master@{#312305}

[william.xie1, 2015-01-19 01:52:38]

william.xie@intel.com changed reviewers:
+ jbudorick@chromium.org

[william.xie1, 2015-01-19 01:52:53]

PTAL

[william.xie1, 2015-01-20 00:21:26]

william.xie@intel.com changed reviewers:
+ jbudorick;klundberg@chromium.org
- jbudorick@chromium.org

[william.xie1, 2015-01-20 00:21:39]

william.xie@intel.com changed reviewers:
+ jbudorick@chromium.org, klundberg@chromium.org
- jbudorick;klundberg@chromium.org

[william.xie1, 2015-01-20 00:21:58]

PTAL

[jbudorick, 2015-01-20 14:18:52]

lgtm w/ nit

https://codereview.chromium.org/855253003/diff/1/build/android/adb_kill_andro...
File build/android/adb_kill_android_webview_shell (right):

https://codereview.chromium.org/855253003/diff/1/build/android/adb_kill_andro...
build/android/adb_kill_android_webview_shell:3: # Copyright (c) 2012 The
Chromium Authors. All rights reserved.
nit: Please change the copyright date to 2015 and drop the "(c)"

[william.xie1, 2015-01-20 23:04:40]

The CQ bit was checked by william.xie@intel.com

[commit-bot: I haz the power, 2015-01-20 23:06:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/855253003/1

[william.xie1, 2015-01-20 23:19:10]

The CQ bit was unchecked by william.xie@intel.com

[william.xie1, 2015-01-20 23:22:04]

The CQ bit was checked by william.xie@intel.com

[commit-bot: I haz the power, 2015-01-20 23:22:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/855253003/20001

[commit-bot: I haz the power, 2015-01-21 00:58:12]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-01-21 00:59:37]

Patchset 2 (id:??) landed as
https://crrev.com/aa928ff8aa04cba903718f2bad61bce06b763343
Cr-Commit-Position: refs/heads/master@{#312305}