Fix apptest builds and runner on Android.

Fix apptest builds and runner on Android.

Serve the build dir when origin is 'localhost'.
(so runners can access those output dir .mojos)
Build apptests and runner apk for mandoline:all.

BUG=486220
TEST=For Android: clobber, build mandoline:all; apptests can run.
R=sky@chromium.org

Committed: https://crrev.com/d5c5a7e8785b283e9731c77a79fa59ec5bd65849
Cr-Commit-Position: refs/heads/master@{#329509}

[msw, 2015-05-12 19:32:25]

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

[msw, 2015-05-12 19:32:46]

Hey Scott, please take a look; thanks!

[sky, 2015-05-12 19:39:53]

https://codereview.chromium.org/1138933004/diff/20001/mojo/tools/mopy/android.py
File mojo/tools/mopy/android.py (left):

https://codereview.chromium.org/1138933004/diff/20001/mojo/tools/mopy/android...
mojo/tools/mopy/android.py:334: if origin:
I added this code because mandoline doesn't specify an origin.

[msw, 2015-05-12 20:53:08]

Please take another look; thanks!

https://codereview.chromium.org/1138933004/diff/20001/mojo/tools/mopy/android.py
File mojo/tools/mopy/android.py (left):

https://codereview.chromium.org/1138933004/diff/20001/mojo/tools/mopy/android...
mojo/tools/mopy/android.py:334: if origin:
On 2015/05/12 19:39:53, sky wrote:
> I added this code because mandoline doesn't specify an origin.

OK, now it respects origin=None and starts a server for origin == 'localhost'

[sky, 2015-05-12 21:32:27]

LGTM

[msw, 2015-05-12 21:33:15]

The CQ bit was checked by msw@chromium.org

[commit-bot: I haz the power, 2015-05-12 21:35:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1138933004/40001

[commit-bot: I haz the power, 2015-05-12 22:22:54]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-05-12 22:24:45]

Patchset 3 (id:??) landed as
https://crrev.com/d5c5a7e8785b283e9731c77a79fa59ec5bd65849
Cr-Commit-Position: refs/heads/master@{#329509}