[Android Log] Move Presubmit checks to upload time only

[Android Log] Move Presubmit checks to upload time only

They are intended to be FYI checks. If they are ignored at upload
time, submitting should still work.

BUG=

Committed: https://crrev.com/bbbc31f51f395da43b5234155b1e75496035aaad
Cr-Commit-Position: refs/heads/master@{#330922}

[dgn, 2015-05-20 18:18:36]

dgn@chromium.org changed reviewers:
+ jochen@chromium.org, newt@chromium.org

[newt (away), 2015-05-20 18:20:11]

lgtm thanks!

[dgn, 2015-05-20 20:25:56]

dgn@chromium.org changed reviewers:
+ phajdan.jr@chromium.org

[dgn, 2015-05-20 20:25:57]

jochen@, phajdan.jr: PTAL

[jochen (gone - plz use gerrit), 2015-05-21 07:51:09]

lgtm

[dgn, 2015-05-21 09:41:51]

The CQ bit was checked by dgn@chromium.org

[commit-bot: I haz the power, 2015-05-21 09:42:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1147103002/1

[commit-bot: I haz the power, 2015-05-21 09:53:27]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-21 09:54:26]

Patchset 1 (id:??) landed as
https://crrev.com/bbbc31f51f395da43b5234155b1e75496035aaad
Cr-Commit-Position: refs/heads/master@{#330922}