[Chromoting] Enable AppRemoting sample apps by default in all.gyp.

[Chromoting] Enable AppRemoting sample apps by default in all.gyp.

Where "by default" = whenever we build Chromoting.

BUG=

Committed: https://crrev.com/e0bf65f1e2fcd3515b92c1b49f04aa30fd0d47e6
Cr-Commit-Position: refs/heads/master@{#313324}

[garykac, 2015-01-27 18:38:13]

garykac@chromium.org changed reviewers:
+ scottmg@chromium.org

[scottmg, 2015-01-27 18:40:08]

lgtm

[garykac, 2015-01-27 19:34:04]

The CQ bit was checked by garykac@chromium.org

[commit-bot: I haz the power, 2015-01-27 19:34:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/878793003/60001

[commit-bot: I haz the power, 2015-01-27 19:39:56]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2015-01-27 19:41:11]

Patchset 4 (id:??) landed as
https://crrev.com/e0bf65f1e2fcd3515b92c1b49f04aa30fd0d47e6
Cr-Commit-Position: refs/heads/master@{#313324}

[brettw, 2015-01-27 20:29:26]

A revert of this CL (patchset #4 id:60001) has been created in
https://codereview.chromium.org/880083002/ by brettw@chromium.org.

The reason for reverting is: Broke the official builders:
Traceback (most recent call last):
  File "../remoting/webapp/build-webapp.py", line 413, in <module>
    sys.exit(main())
  File "../remoting/webapp/build-webapp.py", line 409, in main
    service_environment)
  File "../remoting/webapp/build-webapp.py", line 198, in buildWebApp
    + buildtype + ': ' + service_environment)
Exception: Invalid service_environment targeted for Official: dev
ninja: build stopped: subcommand failed.

http://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Linux%....