base: Disable some perf tests that are failing on Android

The following perf tests are often timing out on Android:

- JSONPerfTest.StressTest
- ObserverListPerfTest/1.NotifyPerformance
- ScheduleWorkTest.*

This patch disables them on Android until they are be investigated.

TBR=gab@chromium.org

Bug: 906686
Change-Id: Iad78d71e1b3293a75834b06a2b7b4b13b7ac5e75
Reviewed-on: https://chromium-review.googlesource.com/c/1349711
Reviewed-by: Eric Seckler <eseckler@chromium.org>
Commit-Queue: Sami Kyöstilä <skyostil@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610618}
3 files changed