viz: Remove one more from content_browsertests filter.

The MouseLatencyBrowserTest.CoalescedMouseMovesCorrectlyTerminated test
is very flaky, and disabled on most platforms. We can remove it from the
filter for viz. When the test is fixed, it should be done in a way so
that it works with viz.

BUG=791557

Change-Id: I2e08fd9f8d14133021a733f01c79d3cca157a2c9
Reviewed-on: https://chromium-review.googlesource.com/961089Reviewed-by: Jonathan Ross <jonross@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542881}

testing/buildbot/filters/mojo.fyi.viz.content_browsertests.filter

@@ -3,13 +3,6 @@
 # http://crbug.com/784941
 -CaptureScreenshotTest.*
 
-#### ui::LatencyInfo
-# Fails to receive histogram updates http://crbug.com/786151
--ScrollLatencyBrowserTest.*
-
-# OnGpuSwapBuffersCompletedInternal not called. http://crbug.com/791557
--MouseLatencyBrowserTest.CoalescedMouseMovesCorrectlyTerminated
-
 #### GPU
 # GPU Shutdown https://crbug.com/781714
 -WebRtcCaptureFromElementBrowserTest.CaptureFromCanvas2DHandlesContextLoss

testing/buildbot/filters/viz.content_browsertests.filter

@@ -3,9 +3,6 @@
 # http://crbug.com/784941
 -CaptureScreenshotTest.*
 
-# OnGpuSwapBuffersCompletedInternal not called. http://crbug.com/791557
--MouseLatencyBrowserTest.CoalescedMouseMovesCorrectlyTerminated
-
 #### GPU
 # GPU Shutdown https://crbug.com/781714
 -WebRtcCaptureFromElementBrowserTest.CaptureFromCanvas2DHandlesContextLoss