Two tests blocking wpt importer are marked as flaky

external/wpt/paint-timing/fcp-only/fcp-typographic-pseudo.html
virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-typographic-pseudo.html

Bug: 1066848
Change-Id: I193c9df05f690be9e37b877965a005624bcfa7b1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2132286
Auto-Submit: Luke Z <lpz@chromium.org>
Commit-Queue: Stephen McGruer <smcgruer@chromium.org>
Reviewed-by: Stephen McGruer <smcgruer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#755340}

third_party/blink/web_tests/TestExpectations

@@ -6499,6 +6499,8 @@ crbug.com/1054577 [ Win ] virtual/storage-access-api/external/wpt/storage-access
 crbug.com/1054577 [ Mac ] external/wpt/media-source/mediasource-detach.html [ Pass Failure ]
 crbug.com/1054577 [ Mac ] virtual/storage-access-api/external/wpt/storage-access-api/requestStorageAccess.sub.window.html [ Pass Failure ]
 crbug.com/1054577 [ Mac ] external/wpt/storage-access-api/requestStorageAccess.sub.window.html [ Pass Failure ]
+crbug.com/1066848 external/wpt/paint-timing/fcp-only/fcp-typographic-pseudo.html [ Pass Failure ]
+crbug.com/1066848 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-typographic-pseudo.html [ Pass Failure ]
 
 # Sheriff 2020-02-07