XBL will be disabled on android, so these tests must be skipped. Where possible
tests are copied to create shadow DOM tests.

Depends on D45615

Differential Revision: https://phabricator.services.mozilla.com/D45616

--HG--
rename : layout/inspector/tests/test_bug522601.xhtml => layout/inspector/tests/test_bug522601-shadow.xhtml
rename : layout/inspector/tests/test_bug609549.xhtml => layout/inspector/tests/test_bug609549-shadow.xhtml
rename : layout/reftests/bugs/334829-1a.xhtml => layout/reftests/bugs/334829-1a-shadow.xhtml
rename : layout/reftests/bugs/334829-1b.xhtml => layout/reftests/bugs/334829-1b-shadow.xhtml
rename : layout/reftests/bugs/386310-1b.html => layout/reftests/bugs/386310-1b-shadow.html
rename : layout/reftests/bugs/386310-1c.html => layout/reftests/bugs/386310-1c-shadow.html
rename : layout/reftests/bugs/386310-1d.html => layout/reftests/bugs/386310-1d-shadow.html
rename : layout/reftests/bugs/482592-1a.xhtml => layout/reftests/bugs/482592-1a-shadow.xhtml
rename : layout/reftests/bugs/482592-1b.xhtml => layout/reftests/bugs/482592-1b-shadow.xhtml
rename : layout/reftests/css-selectors/sibling-combinators-on-anon-content-1.xhtml => layout/reftests/css-selectors/sibling-combinators-on-anon-content-1-shadow.xhtml
rename : layout/reftests/css-selectors/sibling-combinators-on-anon-content-2.xhtml => layout/reftests/css-selectors/sibling-combinators-on-anon-content-2-shadow.xhtml
rename : layout/reftests/dom/multipleinsertionpoints-appendmultiple.xhtml => layout/reftests/dom/multipleinsertionpoints-appendmultiple-shadow.xhtml
rename : layout/reftests/dom/multipleinsertionpoints-appendsingle-1.xhtml => layout/reftests/dom/multipleinsertionpoints-appendsingle-1-shadow.xhtml
rename : layout/reftests/dom/multipleinsertionpoints-appendsingle-2.xhtml => layout/reftests/dom/multipleinsertionpoints-appendsingle-2-shadow.xhtml
rename : layout/reftests/dom/multipleinsertionpoints-insertmultiple.xhtml => layout/reftests/dom/multipleinsertionpoints-insertmultiple-shadow.xhtml
rename : layout/reftests/dom/multipleinsertionpoints-insertsingle-1.xhtml => layout/reftests/dom/multipleinsertionpoints-insertsingle-1-shadow.xhtml
rename : layout/reftests/dom/multipleinsertionpoints-insertsingle-2.xhtml => layout/reftests/dom/multipleinsertionpoints-insertsingle-2-shadow.xhtml
rename : layout/reftests/dom/multipleinsertionpoints-ref2.xhtml => layout/reftests/dom/multipleinsertionpoints-ref2-shadow.xhtml
rename : layout/reftests/ib-split/insert-into-split-inline-5.html => layout/reftests/ib-split/insert-into-split-inline-5-shadow.html
extra : moz-landing-system : lando