exclude DownloadDangerPromptTest.TestAll from browser_tests on Dr.Memory bots

TBR=bruening@chromium.org
BUG=none

Review URL: https://codereview.chromium.org/388803004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@282621 0039d316-1c4b-4281-b951-d872f2087c98

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

@@ -54,6 +54,7 @@ DoNot*
 Down*Ext*
 Down*UI*
 Do*adTest.*
+Do*tTest.*All
 Drive*
 # E*
 ECK*