Fix and widen a suppression to make reliability_tests greener

BUG=222876
TBR=bruening
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/16151002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@202555 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/memcheck/suppressions.txt

@@ -6814,9 +6814,9 @@
    fun:_Znw*
    fun:_ZN21WebDataServiceWrapperC1EP7Profile
    fun:_ZNK21WebDataServiceFactory23BuildServiceInstanceForEPN7content14BrowserContextE
-   fun:_ZN26BrowserContextKeyedServiceFactory20GetServiceForBrowserContextEPN7content14BrowserContextEb
+   fun:_ZN33BrowserContextKeyedServiceFactory27GetServiceForBrowserContextEPN7content14BrowserContextEb
    fun:_ZN21WebDataServiceFactory13GetForProfileEP7ProfileNS0_17ServiceAccessTypeE
-   fun:_ZN14WebDataService18FromBrowserContextEPN7content14BrowserContextE
+   ...
    fun:_ZN12TokenService10InitializeEPKcP7Profile
 }
 {