Revert "[benchmarking] disable pinterest_infinite_scroll:2021 on low end androids"

This reverts commit 41d37b7045.

Reason for revert: Story is now fixed

Original change's description:
> [benchmarking] disable pinterest_infinite_scroll:2021 on low end androids
>
> Disabling the story under different benchmarks on different platforms:
>  - Android Nexus5 Perf
> system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021
>
>  - Android Nexus5X WebView Perf
> system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021
> system_health.memory_mobile/browse:social:pinterest_infinite_scroll:2021
> v8.browsing_mobile/browse:social:pinterest_infinite_scroll:2021
>
>  - android-go-perf
> system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021
> system_health.memory_mobile/browse:social:pinterest_infinite_scroll:2021
> v8.browsing_mobile/browse:social:pinterest_infinite_scroll:2021
>
>  - android-go_webview-perf
> system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021
> system_health.memory_mobile/browse:social:pinterest_infinite_scroll:2021
>
> Bug: chromium:1185355
> Change-Id: I9e818f337657645c1472e376bc941c96cff1a293
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2744440
> Auto-Submit: Wenbin Zhang <wenbinzhang@google.com>
> Commit-Queue: Wenbin Zhang <wenbinzhang@google.com>
> Commit-Queue: John Chen <johnchen@chromium.org>
> Reviewed-by: John Chen <johnchen@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#861047}

Bug: chromium:1185355
Change-Id: I2bc35ade93d220ed7a12073af789c34b176e5a0d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2762879
Auto-Submit: Dan Elphick <delphick@chromium.org>
Reviewed-by: John Chen <johnchen@chromium.org>
Reviewed-by: Wenbin Zhang <wenbinzhang@google.com>
Commit-Queue: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#864356}

tools/perf/expectations.config

@@ -310,10 +310,6 @@ crbug.com/1112337 [ android ] system_health.common_mobile/browse:news:cricbuzz:2
 crbug.com/1113921 [ android-go ] system_health.common_mobile/load:tools:dropbox:2019 [ Skip ]
 crbug.com/1139057 [ mobile ] system_health.common_mobile/browse:social:facebook:2019 [ Skip ]
 crbug.com/1154719 [ android-go ] system_health.common_mobile/browse:chrome:omnibox:2019 [ Skip ]
-crbug.com/1185355 [ android-nexus-5 ] system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021 [ Skip ]
-crbug.com/1185355 [ android-nexus-5x ] system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021 [ Skip ]
-crbug.com/1185355 [ android-go ] system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021 [ Skip ]
-crbug.com/1185355 [ android-go android-webview ] system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021 [ Skip ]
 crbug.com/1188602 [ android-pixel-4 android-weblayer ] system_health.common_mobile/background:social:facebook:2019 [ Skip ]
 crbug.com/1188602 [ android-pixel-4 android-weblayer ] system_health.common_mobile/background:tools:gmail:2019 [ Skip ]
 crbug.com/1188602 [ android-pixel-4 android-weblayer ] system_health.common_mobile/browse:news:cnn:2021 [ Skip ]
@@ -414,9 +410,6 @@ crbug.com/1112337 [ android ] system_health.memory_mobile/browse:news:cricbuzz:2
 crbug.com/1113921 [ android-go ] system_health.memory_mobile/load:tools:dropbox:2019 [ Skip ]
 crbug.com/1139057 [ mobile ] system_health.memory_mobile/browse:social:facebook:2019 [ Skip ]
 crbug.com/1154719 [ android-go ] system_health.memory_mobile/browse:chrome:omnibox:2019 [ Skip ]
-crbug.com/1185355 [ android-nexus-5x ] system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021 [ Skip ]
-crbug.com/1185355 [ android-go ] system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021 [ Skip ]
-crbug.com/1185355 [ android-go android-webview ] system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021 [ Skip ]
 crbug.com/1188602 [ android-pixel-4 android-weblayer ] system_health.memory_mobile/background:social:facebook:2019 [ Skip ]
 crbug.com/1188602 [ android-pixel-4 android-weblayer ] system_health.memory_mobile/background:tools:gmail:2019 [ Skip ]
 crbug.com/1188602 [ android-pixel-4 android-weblayer ] system_health.memory_mobile/browse:news:cnn:2021 [ Skip ]
@@ -495,8 +488,6 @@ crbug.com/1112337 [ android ] v8.browsing_mobile/browse:news:cricbuzz:2019 [ Ski
 crbug.com/1139057 [ mobile ] v8.browsing_mobile/browse:social:facebook:2019 [ Skip ]
 crbug.com/1143740 [ android-pixel-2 android-webview ] v8.browsing_mobile/browse:media:imgur:2019 [ Skip ]
 crbug.com/1154719 [ android-go ] v8.browsing_mobile/browse:chrome:omnibox:2019 [ Skip ]
-crbug.com/1185355 [ android-nexus-5x ] system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021 [ Skip ]
-crbug.com/1185355 [ android-go ] system_health.common_mobile/browse:social:pinterest_infinite_scroll:2021 [ Skip ]
 
 # Benchmark: v8.browsing_mobile-future
 crbug.com/1036141 [ android-webview ] v8.browsing_mobile-future/browse:shopping:lazada:2019 [ Skip ]