Revert of [Android] Add a Java version of net::test_server::EmbeddedTestServer.

Revert of [Android] Add a Java version of net::test_server::EmbeddedTestServer. (patchset #7 id:120001 of https://codereview.chromium.org/1174613002/)

Reason for revert:
broke main waterfall: http://build.chromium.org/p/chromium/builders/Android/builds/42187

Original issue's description:
> [Android] Add a Java version of net::test_server::EmbeddedTestServer.
>
> Notably, this CL does not:
>  - convert ChromeInstrumentationTestRunner's TestHttpServer to use this
>  - convert cronet's NativeTestServer to use this
>
> Those can be done separately.
>
> BUG=488192
>
> Committed: https://crrev.com/d58755d3bb7ead19d8ad909e4455b14857fe6d10
> Cr-Commit-Position: refs/heads/master@{#336159}

TBR=mef@chromium.org,yfriedman@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=488192
Committed: https://crrev.com/6a6cb7e15a0b04ad92199ac1e5fb5b694adc8db6
Cr-Commit-Position: refs/heads/master@{#336165}

[jbudorick, 2015-06-25 15:43:29]

Created Revert of [Android] Add a Java version of
net::test_server::EmbeddedTestServer.

[commit-bot: I haz the power, 2015-06-25 15:44:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1210973002/1

[commit-bot: I haz the power, 2015-06-25 15:45:43]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-25 15:46:33]

Patchset 1 (id:??) landed as
https://crrev.com/6a6cb7e15a0b04ad92199ac1e5fb5b694adc8db6
Cr-Commit-Position: refs/heads/master@{#336165}