re-enabling feature policy layout tests

moved current test expects to platform/linux
added new test expects to platform/win

Bug: 889185
Change-Id: Ifdd0e9c4f0389967756e5dcc2fe3512da40e8e41
Reviewed-on: https://chromium-review.googlesource.com/c/1318375
Commit-Queue: Luna Lu <loonybear@chromium.org>
Reviewed-by: Robert Ma <robertma@chromium.org>
Cr-Commit-Position: refs/heads/master@{#605740}

third_party/WebKit/LayoutTests/TestExpectations

@@ -5438,10 +5438,6 @@ crbug.com/898378 [ Mac10.13 ] fast/scroll-behavior/smooth-scroll/keyboard-scroll
 ####crbug.com/898394 [ Linux ] virtual/android/url-bar/bottom-and-top-fixed-sticks-to-top.html [ Failure ]
 crbug.com/898378 [ Mac10.13 ] virtual/scroll_customization/fast/scroll-behavior/smooth-scroll/keyboard-scroll.html [ Timeout ]
 
-# Sheriff 2018-10-24
-crbug.com/889185 [ Win10 ] http/tests/images/feature-policy-image-policies-with-border-radius.html [ Failure ]
-crbug.com/889185 [ Win10 ] http/tests/images/feature-policy-legacy-formats.html [ Failure ]
-
 # Sheriff 2018-10-26
 ### See crbug.com/891427 comment near the top of this file:
 ####crbug.com/899087 [ Linux ] virtual/android/fullscreen/full-screen-iframe-allowed-video.html [ Failure Pass ]