[Android WebView] Run license scanning in parallel

[Android WebView] Run license scanning in parallel

Split the Perl script into 2 and shard the actual checking, so we can
run it in parallel. On bots, this reduces the time needed to complete
"check licenses" step from 3-4 mins to 40 seconds!

I'm planning to rewrite the scanner in Python soon, but I see that this
change can already help running trybots faster.

BUG=416496
Committed: https://crrev.com/c7b282ab7d4cb585f2bafe33033223967f8ed887
Cr-Commit-Position: refs/heads/master@{#296207}

[mnaganov (inactive), 2014-09-22 16:37:15]

mnaganov@chromium.org changed reviewers:
+ mkosiba@chromium.org

[mnaganov (inactive), 2014-09-23 14:28:21]

Ping!

[mkosiba (inactive), 2014-09-23 15:53:52]

lgtm

https://codereview.chromium.org/589143002/diff/1/android_webview/tools/find_f...
File android_webview/tools/find_files.pl (right):

https://codereview.chromium.org/589143002/diff/1/android_webview/tools/find_f...
android_webview/tools/find_files.pl:2: # Copyright 2013 The Chromium Authors.
All rights reserved.
2014?

[mnaganov (inactive), 2014-09-23 16:13:04]

https://codereview.chromium.org/589143002/diff/1/android_webview/tools/find_f...
File android_webview/tools/find_files.pl (right):

https://codereview.chromium.org/589143002/diff/1/android_webview/tools/find_f...
android_webview/tools/find_files.pl:2: # Copyright 2013 The Chromium Authors.
All rights reserved.
On 2014/09/23 15:53:52, mkosiba wrote:
> 2014?

I will be removing both of the files soon (definitely in the next 75 years :) so
I decided not to bother about this.

[mnaganov (inactive), 2014-09-23 16:13:09]

The CQ bit was checked by mnaganov@chromium.org

[commit-bot: I haz the power, 2014-09-23 16:14:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/589143002/1

[commit-bot: I haz the power, 2014-09-23 16:55:46]

Committed patchset #1 (id:1) as 26193be19389132875612a88763810258be0be9d

[commit-bot: I haz the power, 2014-09-23 16:57:53]

Patchset 1 (id:??) landed as
https://crrev.com/c7b282ab7d4cb585f2bafe33033223967f8ed887
Cr-Commit-Position: refs/heads/master@{#296207}