Skip GpuProcess_disabling_workarounds_works on macOS and Android.

Unexpectedly started flaking badly recently on these platforms.

Bug: 1154088
Change-Id: Ia232f78ca76cfa7ac6f1647b3773952ad768e5eb
Tbr: rjkroege@chromium.org
Tbr: zmo@chromium.org
No-Try: True
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2568368Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#832571}

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

@@ -64,6 +64,8 @@ crbug.com/700522 [ win ] GpuProcess_one_extra_workaround [ RetryOnFailure ]
 # Recently flaking badly on Android and macOS.
 crbug.com/1154088 [ mac ] GpuProcess_one_extra_workaround [ Skip ]
 crbug.com/1154088 [ android ] GpuProcess_one_extra_workaround [ Skip ]
+crbug.com/1154088 [ mac ] GpuProcess_disabling_workarounds_works [ Skip ]
+crbug.com/1154088 [ android ] GpuProcess_disabling_workarounds_works [ Skip ]
 
 crbug.com/1028974 [ linux ] GpuProcess_feature_status_under_swiftshader [ RetryOnFailure ]