Use absolute URLs in testRequestFocusNodeHref CTS test.

The previous CTS test was relying on undefined behavior, that is,
calling testRequestFocusNodeHref on a relative link with no base url.

Change-Id: Idc5a23aff79eaa8d46ab5ee903f8029fefc643a7
(cherry picked from commit 7ab6711e21b2091a9e42f50560049b544d44b52a)
2 files changed