Revert "Disable the load:games:spychase:2018 story on webview due to flakes"

This reverts commit 99965b74.

Reason for revert: Fix for the test landed.

Original change's description:
> Disable the load:games:spychase:2018 story on webview due to flakes
> 
> TBR=crouleau@chromium.org
> NOTRY=true
> 
> Bug: 1046101
> Change-Id: Ifb27532f7096ab1461a552b87a20e1f9379ddb10
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2023987
> Reviewed-by: oysteine <oysteine@chromium.org>
> Commit-Queue: oysteine <oysteine@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#735574}

TBR=oysteine@chromium.org,crouleau@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 1046101
Change-Id: I2816333bcae2a57fd7e07ac6af2d7b9d277c2949
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2080440Reviewed-by: Khushal <khushalsagar@chromium.org>
Reviewed-by: oysteine <oysteine@chromium.org>
Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Commit-Queue: Khushal <khushalsagar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745584}

tools/perf/expectations.config

@@ -314,7 +314,6 @@ crbug.com/1036141 [ android-webview ] system_health.common_mobile/browse:shoppin
 crbug.com/1036143 [ android-pixel-2 ] system_health.common_mobile/browse:chrome:omnibox:2019 [ Skip ]
 crbug.com/1039801 [ android ] system_health.common_mobile/browse:social:pinterest_infinite_scroll:2019 [ Skip ]
 crbug.com/1044956 [ android-pixel-2 ] system_health.common_mobile/background:tools:gmail:2019 [ Skip ]
-crbug.com/1046101 [ android-webview ] system_health.common_mobile/load:games:spychase:2018 [ Skip ]
 
 # Benchmark: system_health.memory_desktop
 crbug.com/984599 [ linux ] system_health.memory_desktop/long_running:tools:gmail-foreground [ Skip ]
@@ -358,7 +357,6 @@ crbug.com/1036141 [ android-webview ] system_health.memory_mobile/browse:shoppin
 crbug.com/1039801 [ android-webview ] system_health.memory_mobile/browse:social:pinterest_infinite_scroll:2019 [ Skip ]
 crbug.com/1039801 [ android-weblayer ] system_health.memory_mobile/browse:social:pinterest_infinite_scroll:2019 [ Skip ]
 crbug.com/1044956 [ android-pixel-2 ] system_health.memory_mobile/background:tools:gmail:2019 [ Skip ]
-crbug.com/1046101 [ android-webview ] system_health.memory_mobile/load:games:spychase:2018 [ Skip ]
 crbug.com/1049984 [ android-go android-webview ] system_health.memory_mobile/browse:social:instagram:2019 [ Skip ]
 
 # Benchmark: tab_switching.typical_25