Add back another couple of timeout expectations.

Bug: 1095379
Change-Id: I3a764362a70711cf33e365460594712be235cfd6
Tbr: masonfreed@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2545771
Commit-Queue: Marijn Kruisselbrink <mek@chromium.org>
Reviewed-by: Marijn Kruisselbrink <mek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#828474}

third_party/blink/web_tests/TestExpectations

@@ -6010,3 +6010,5 @@ crbug.com/666993 [ Debug ] external/wpt/requestidlecallback/callback-idle-period
 crbug.com/1122742 http/tests/devtools/sources/debugger/source-frame-inline-breakpoint-decorations.js [ Pass Timeout ]
 crbug.com/867532 [ Linux ] http/tests/workers/worker-usecounter.html [ Pass Timeout ]
 crbug.com/1002377 external/wpt/service-workers/service-worker/update-bytecheck.https.html [ Pass Timeout ]
+crbug.com/987138 [ Linux ] media/controls/doubletap-to-jump-forwards.html [ Pass Timeout ]
+crbug.com/987138 [ Win ] media/controls/doubletap-to-jump-forwards.html [ Pass Timeout ]