Fix URLTest#testAtSignInUserInfo failure

This failure is introduced by libcore change 2e3689a.

The upstream security fix around URLStreamHandler changed behaviour for
URL parsing. Fix the test to match the new behaviour.

Bug: 34722749
Test: libcore.java.net.URLTest#testAtSignInUserInfo
Change-Id: I6a4a362f367e96f0dfe55afa117f201a39afa7cf
(cherry picked from commit eca3a9349803cb699d094772204d8c669fe6640b)
(cherry picked from commit 7e6977749c9b054f91fb216c9dc42d604119483c)
1 file changed