Update disable-blink-features=LayoutNG

* 3 crashes in native-file-system.
* Mostly image rebaselines where scrollbar buttons became
  grayed when the scroll position is at begin/end. Probably
  someone fixed this.
* A few pixel differences in rendering fonts, for vertical
  flow and "AM" in the date picker.

TBR=ikilpatrick@chromium.org
NOTRY=true

Change-Id: I1f8a9eb2fbb816f27bf2eb8d51e423919dbbf9a1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1882249Reviewed-by: Koji Ishii <kojii@chromium.org>
Commit-Queue: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709765}

third_party/blink/web_tests/FlagExpectations/disable-blink-features=LayoutNG

@@ -397,3 +397,8 @@ Bug(none) virtual/composite-after-paint/scrollingcoordinator/non-fast-scrollable
 Bug(none) virtual/forced-high-contrast-colors/fast/css/forced-colors-mode/forced-colors-mode-15.html [ Failure ]
 Bug(none) virtual/forced-high-contrast-colors/fast/css/forced-colors-mode/backplate/forced-colors-mode-backplate-07.html [ Failure ]
 
+# 10/27/2019 updates.
+Bug(none) external/wpt/css/css-writing-modes/wm-propagation-body-044.html [ Failure ]
+Bug(none) external/wpt/native-file-system/sandboxed_FileSystemBaseHandle-postMessage-MessagePort.tentative.https.window.html [ Crash ]
+Bug(none) external/wpt/native-file-system/sandboxed_FileSystemBaseHandle-postMessage.tentative.https.window.html [ Crash ]
+Bug(none) external/wpt/native-file-system/sandboxed_FileSystemDirectoryHandle-getFile.tentative.https.any.html [ Crash ]