adjust suppression for memory leak from chromeos::SessionManagerOperation::EnsureOwnerKey

TBR=ygorshenin@chromium.org
BUG=381584
NOTRY=true

Review URL: https://codereview.chromium.org/526013002

Cr-Commit-Position: refs/heads/master@{#292842}

tools/valgrind/memcheck/suppressions.txt

@@ -5828,11 +5828,11 @@
    fun:_Znw*
    fun:_ZN4base8internal20PostTaskAndReplyImpl16PostTaskAndReplyERKN15tracked_objects8LocationERKNS_8CallbackIFvvEEESA_
    fun:_ZN4base10TaskRunner16PostTaskAndReplyERKN15tracked_objects8LocationERKNS_8CallbackIFvvEEES9_
-   fun:_ZN4base26PostTaskAndReplyWithResultI13scoped_refptrIN8chromeos*KeyEES4_EEbPNS_10TaskRunnerERKN15tracked_objects8LocationERKNS_8CallbackIFT_vEEERKNSB_IFvT0_EEE
+   fun:_ZN4base26PostTaskAndReplyWithResultI13scoped_refptrIN*KeyEES4_EEbPNS_10TaskRunnerERKN15tracked_objects8LocationERKNS_8CallbackIFT_vEEERKNSB_IFvT0_EEE
    fun:_ZN8chromeos23SessionManagerOperation*Ensure*KeyERKN4base8CallbackIFvvEEE
    fun:_ZN8chromeos23SessionManagerOperation12StartLoadingEv
    fun:_ZN8chromeos21LoadSettingsOperation3RunEv
-   fun:_ZN8chromeos23SessionManagerOperation5StartEPNS_20SessionManagerClientE13scoped_refptrINS_12OwnerKeyUtilEES3_INS_*KeyEE
+   fun:_ZN8chromeos23SessionManagerOperation5StartEPNS_20SessionManagerClientE13scoped_refptrIN*
    fun:_ZN8chromeos21DeviceSettingsService18StartNextOperationEv
    fun:_ZN8chromeos21DeviceSettingsService7EnqueueEPNS_23SessionManagerOperationE
    fun:_ZN8chromeos21DeviceSettingsService11EnqueueLoadEb