WifiSyncFeatureManager: disable unittests

Tests fail under asan/lsan:
./out/chromeos_asan_lsan/chromeos_unittests \
  --gtest_filter="*MultiDeviceSetupWifiSync*"

deterministic failures [caused step to fail]:
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.Failure/0
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.Failure/1
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.FailureCallback_SyncedHostBecomesUnverified/0
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.FailureCallback_SyncedHostBecomesUnverified/1
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.MultiplePendingRequests_EnableDisable/0
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.MultiplePendingRequests_EnableDisable/1
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.MultipleRequests_FirstFail_ThenSucceed/0
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.MultipleRequests_FirstFail_ThenSucceed/1
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.PendingRequest_NoSyncedHostDevice/0
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.PendingRequest_NoSyncedHostDevice/1
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.Retrying_SyncedHostBecomesUnverified/0
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.Retrying_SyncedHostBecomesUnverified/1
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.SimultaneousRequests_StartOff_ToggleOnOff/0
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.SimultaneousRequests_StartOff_ToggleOnOff/1
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.Success/0
All/MultiDeviceSetupWifiSyncFeatureManagerImplTest.Success/1

BUG=chromium:1117619
TBR=cvandermerwe@google.com, khorimoto@chromium.org, jonmann@chromium.org

Change-Id: Iad6b03ac9448371e8757a4d823a47bd74421bd18
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2434011Reviewed-by: Johann Koenig <johannkoenig@google.com>
Commit-Queue: Johann Koenig <johannkoenig@google.com>
Cr-Commit-Position: refs/heads/master@{#811110}

chromeos/services/multidevice_setup/BUILD.gn

@@ -144,7 +144,12 @@ source_set("unit_tests") {
     "multidevice_setup_impl_unittest.cc",
     "multidevice_setup_service_unittest.cc",
     "privileged_host_device_setter_impl_unittest.cc",
-    "wifi_sync_feature_manager_impl_unittest.cc",
+
+    # TODO(crbug/1117619): Unit tests fail with asan/lsan:
+    # is_asan = true
+    # is_lsan = true
+    # is_debug = false
+    #"wifi_sync_feature_manager_impl_unittest.cc",
   ]
 
   deps = [