Add tests to the layoutlib eclipse project. [DO NOT MERGE]

Specify the test folder in the layoutlib/bridge eclipse project.

Also add the sourcepath for layoutlib-api-prebuilt.jar

Change-Id: I194ed182618e564388d6df645e2de7f59897fa1e
(cherry picked from commit 36acf8baebc9ab72b3b5fe75d865399ddf7b0132)
1 file changed