Fix URLConnectionTest#test_getAllowUserInteraction.

Also improve the documentation, make it possible to run these tests
individually outside of CTS with vogar, and remove a few more URLs of
external web servers.

We should clean up all tests to remove all reliance on external web servers.

Bug: http://code.google.com/p/android/issues/detail?id=35400

(cherry-picked from 3827b65b1937acfbf3abbc449f8ba0ffc60f3cf3.)

Conflicts:

	luni/src/test/java/org/apache/harmony/luni/tests/java/net/URLConnectionTest.java

Change-Id: I4959fefa130290236533be72cce7c57b9ea1e296
5 files changed