Suppress memory issue in MachineStatisticsInitializer

BUG=349948
TBR=dpolukhin@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/184243004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255374 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/memcheck/suppressions.txt

@@ -6321,3 +6321,12 @@
    fun:_ZN7content9webcrypto12_GLOBAL__N_118ArrayBufferMatchesERKSt6vectorIhSaIhEERKN5blink14WebArrayBufferE
    fun:_ZN7content9webcrypto53SharedCryptoTest_AesKwRawSymkeyUnwrapCorruptData_Test8TestBodyEv
 }
+{
+   bug_349948
+   Memcheck:Unaddressable
+   ...
+   fun:_ZN22DefaultSingletonTraitsIN12_GLOBAL__N_128MachineStatisticsInitializerEE3NewEv
+   fun:_ZN9SingletonIN12_GLOBAL__N_128MachineStatisticsInitializerE22DefaultSingletonTraitsIS1_ES1_E3getEv
+   fun:_ZN12_GLOBAL__N_128MachineStatisticsInitializer11GetInstanceEv
+   fun:_ZN12_GLOBAL__N_130CrosLanguageOptionsHandlerTestC1Ev
+}