Add the following tests:
    hiz-stencil-test-fbo-d0-s8
    hiz-stencil-test-fbo-d24-s8
    hiz-stencil-test-fbo-d24s8
    hiz-stencil-test-window-depth0
    hiz-stencil-test-window-depth1

These tests check that stencil test works correctly when rendering to
various framebuffer configurations, including FBO's and window
framebuffers.

Signed-off-by: Chad Versace <chad.versace@intel.com>