Actually disable RenderFrameHostImplBrowserTest.VisibilityScrolledOutOfView on Linux

The test wasn't renamed to Maybe_*

Tbr: avi@chromium.org
Bug: 954217, 1017102
Change-Id: I38eff297b3adacc8b88873140c77ebeb62785508
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1876028Reviewed-by: Christian Dullweber <dullweber@chromium.org>
Commit-Queue: Christian Dullweber <dullweber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708584}

content/browser/frame_host/render_frame_host_impl_browsertest.cc

@@ -2126,7 +2126,7 @@ IN_PROC_BROWSER_TEST_F(RenderFrameHostImplBrowserTest,
 // Test that a frame is visible/hidden depending on its WebContents visibility
 // state.
 IN_PROC_BROWSER_TEST_F(RenderFrameHostImplBrowserTest,
-                       VisibilityScrolledOutOfView) {
+                       MAYBE_VisibilityScrolledOutOfView) {
   WebContentsImpl* web_contents =
       static_cast<WebContentsImpl*>(shell()->web_contents());