Bug 1286657 - Add manifest for autophone webrtc crashtest job; r=bc

MozReview-Commit-ID: 4FMMwsUvkmk

--HG--
extra : rebase_source : 4b8dd1dcc24f70fdcb1a3ca69d9064d2587f2584

testing/crashtest/autophone-crashtest-webrtc.list

@@ -0,0 +1,4 @@
+# Add your lines including crashtest manifests below here.
+# DO NOT ADD CRASHTESTS INDIVIDUALLY HERE!
+
+include ../../dom/media/tests/crashtests/crashtests.list