libbrillo: disable AsynchronousSignalHandlerTest.CheckChld

This test appears to be flaky, disabling it until it can be stabilized.

BUG=chromium:1011829
TEST=None

Change-Id: I933b536acd74161f0352d43f2cffed7f4b63172c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/1843933
Tested-by: Will Bradley <wbbradley@chromium.org>
Reviewed-by: Jason Clinton <jclinton@chromium.org>
Reviewed-by: Eric Caruso <ejcaruso@chromium.org>
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Commit-Queue: Jack Rosenthal <jrosenth@chromium.org>
Commit-Queue: Will Bradley <wbbradley@chromium.org>
(cherry picked from commit f2090293f250d3782a2ee9ca06f9b9564c62bbbb)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/1846068
Tested-by: John Riordan <jrio@chromium.org>
Commit-Queue: John Riordan <jrio@google.com>
diff --git a/libbrillo/brillo/asynchronous_signal_handler_test.cc b/libbrillo/brillo/asynchronous_signal_handler_test.cc
index ec3b061..2211b9c 100644
--- a/libbrillo/brillo/asynchronous_signal_handler_test.cc
+++ b/libbrillo/brillo/asynchronous_signal_handler_test.cc
@@ -113,6 +113,8 @@
   }
 }
 
+// TODO(crbug/1011829): This test is flaky.
+#if 0
 TEST_F(AsynchronousSignalHandlerTest, CheckChld) {
   handler_.RegisterHandler(
       SIGCHLD,
@@ -134,5 +136,6 @@
   EXPECT_EQ(static_cast<int>(CLD_EXITED), infos_[0].ssi_code);
   EXPECT_EQ(EXIT_SUCCESS, infos_[0].ssi_status);
 }
+#endif
 
 }  // namespace brillo