Disable RenderFrameHostManagerTest.RestoreFileAccessForHistoryNavigation

on Dr.Memory content_browsertest bots

TBR=bruening@chromium.org
BUG=none
NOTRY=true

Review URL: https://codereview.chromium.org/796453004

Cr-Commit-Position: refs/heads/master@{#307944}

tools/valgrind/gtest_exclude/content_browsertests.gtest-drmemory_win32.txt

@@ -17,6 +17,7 @@ RenderViewImplTest.DontIgnoreBackAfterNavEntryLimit
 RenderViewImplTest.ReloadWhileSwappedOut
 RenderViewImplTest.SendSwapOutACK
 RenderViewImplTest.StaleNavigationsIgnored
+RenderFrameHostManagerTest.RestoreFileAccessForHistoryNavigation
 ResourceFetcherTests.ResourceFetcher404
 ResourceFetcherTests.ResourceFetcherDidFail
 ResourceFetcherTests.ResourceFetcherDownload