[Sheriff] Disable watchPosition-pae-visibility.html on Linux

TBR=danakj

Bug: 1083585
Change-Id: I21588d8ff2ea2fb7e4cb54cd915b4c984d2621e3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2219490Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#772598}

third_party/blink/web_tests/TestExpectations

@@ -5880,3 +5880,4 @@ crbug.com/1046784 http/tests/devtools/elements/styles/stylesheet-tracking.js [ P
 
 # Sheriff 2020-05-28
 crbug.com/1087208 http/tests/images/document-policy-oversized-images-resize.php [ Pass Failure ]
+crbug.com/1083585 [ Linux ] geolocation-api/watchPosition-page-visibility.html [ Pass Failure ]