Skip GpuCrash_InfoForHardwareGpu on Mac Debug NVIDIA

Due to flaky hangs, stalling the test suite for 40 minutes

TBR=zmo

Bug: 1161570
Change-Id: Iebe9206d96683972c130fbf19c7b9bc083eaf87a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2602656Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#839207}

content/test/gpu/gpu_tests/test_expectations/context_lost_expectations.txt

@@ -133,3 +133,6 @@ crbug.com/1143774 [ chromeos chromeos-board-kevin ] ContextLost_WebGLUnblockedAf
 crbug.com/1154047 [ chromeos ] GpuCrash_InfoForHardwareGpu [ Skip ]
 crbug.com/1154047 [ android ] GpuCrash_InfoForHardwareGpu [ Skip ]
 crbug.com/1154047 [ fuchsia ] GpuCrash_InfoForHardwareGpu [ Skip ]
+
+# Flaky hangs on Mac Debug NVIDIA, stalling the test suite for 40 minutes
+crbug.com/1161570 [ mac nvidia debug ] GpuCrash_InfoForHardwareGpu [ Skip ]