[GN] Don't hardcode google_play_services dependencies

[GN] Don't hardcode google_play_services dependencies

There is a google_play_services_library variable that should be used
instead of hardcoding the java target.

Added another such variable for resources

BUG=521624
Committed: https://crrev.com/6cd230bdd3ebabff123c44e01ef0384fa1ac1b2b
Cr-Commit-Position: refs/heads/master@{#344183}

[dgn, 2015-08-18 17:28:45]

dgn@chromium.org changed reviewers:
+ bauerb@chromium.org, dpranke@chromium.org

[dgn, 2015-08-18 17:28:45]

dpranke@chromium.org: Please review changes in //build/

bauerb@chromium.org: Please review changes in //chrome/android

[Dirk Pranke, 2015-08-18 19:01:54]

lgtm

[dgn, 2015-08-18 21:09:06]

Thanks!

sky@: PTAL at the changes in //mojo and //mandoline

[dgn, 2015-08-18 21:09:09]

Thanks!

sky@: PTAL at the changes in //mojo and //mandoline

[dgn, 2015-08-18 21:10:17]

dgn@chromium.org changed reviewers:
+ sky@chromium.org

[dgn, 2015-08-18 21:10:17]

sky@chromium.org: Please review changes in //mojo and //mandoline

[sky, 2015-08-18 22:38:46]

LGTM

[Bernhard Bauer, 2015-08-19 08:08:57]

lgtm

[dgn, 2015-08-19 08:46:27]

The CQ bit was checked by dgn@chromium.org

[commit-bot: I haz the power, 2015-08-19 08:46:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1299003003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1299003003/1

[commit-bot: I haz the power, 2015-08-19 08:53:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-08-19 08:53:38]

Patchset 1 (id:??) landed as
https://crrev.com/6cd230bdd3ebabff123c44e01ef0384fa1ac1b2b
Cr-Commit-Position: refs/heads/master@{#344183}