[lacros] Fix unit_tests filter

This CL fixes the unit_tests filter.

TBR=svenzheng@chromium.org

Bug: 1116180
Change-Id: I85da1b1ddb74291edef4bc2e7cf260f521dfd51f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2360804Reviewed-by: Yuke Liao <liaoyuke@chromium.org>
Commit-Queue: Yuke Liao <liaoyuke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#799016}

testing/buildbot/filters/lacros.unit_tests.filter

 # TODO(crbug.com/1111979) Enable all tests on lacros.
 -ChromeContentBrowserClientTest.UserAgentStringOrdering
 -ChromeMetricsServiceClientTest.TestRegisterMetricsServiceProviders
--NativeDesktopMediaListTest*:PermissionMessageCombinationsUnittest.USBSerialBluetoothCoalescing
--RelaunchNotificationControllerPlatformImplTest.SynchronousNotification:WindowSizerTest*
+-NativeDesktopMediaListTest.*
+-PermissionMessageCombinationsUnittest.USBSerialBluetoothCoalescing
+-RelaunchNotificationControllerPlatformImplTest.SynchronousNotification
+-WindowSizerTest.*