OutOfProcessPPAPITest.InputEvent PPAPITest.InputEvent fail on Mac Valgrind

Disables tests that fail on Mac.  Started failing with r110865.

BUG=104535
TEST=Mac Valgrind goes green.
TBR=bbudge@chromium.org

Review URL: http://codereview.chromium.org/8610005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110888 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/gtest_exclude/ui_tests.gtest_mac.txt

@@ -320,9 +320,11 @@ OutOfProcessPPAPITest.Flash_MessageLoop
 OutOfProcessPPAPITest.Flash_GetCommandLineArgs
 OutOfProcessPPAPITest.Flash_GetProxyForURL
 OutOfProcessPPAPITest.Flash_GetLocalTimeZoneOffset
+OutOfProcessPPAPITest.InputEvent
 PPAPITest.Flash_GetLocalTimeZoneOffset
 PPAPITest.Flash_GetProxyForURL
 PPAPITest.Flash_SetInstanceAlwaysOnTop
 PPAPITest.Flash_MessageLoop
+PPAPITest.InputEvent
 PPAPITest.WebSocket_Create
 PPAPITest.WebSocket_IsWebSocket