Disable rendering.mobile/balls_svg_animations on all Android

rendering.mobile/balls_svg_animations has already been disabled on
android-webview, but consistent failures are also observed on
non-webview devices. Disabling on all Android devices.

TBR=crouleau@chromium.org
NOTRY=true

Bug: 1000473
Change-Id: I8fa8008e97bd768ffd70758376dc73ade025d662
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1795750Reviewed-by: John Chen <johnchen@chromium.org>
Commit-Queue: John Chen <johnchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695185}

tools/perf/expectations.config

@@ -270,7 +270,7 @@ crbug.com/949366 [ android-nexus-5x android-webview ] rendering.mobile/google_ne
 crbug.com/954948 [ android-webview ] rendering.mobile/cnn_mobile_pinch_2018 [ Skip ]
 crbug.com/966637 [ android-pixel-2 android-webview ] rendering.mobile/google_news_mobile_2018 [ Skip ]
 crbug.com/967809 [ android-webview ] rendering.mobile/microsoft_video_city [ Skip ]
-crbug.com/1000473 [ android-webview ] rendering.mobile/balls_svg_animations [ Skip ]
+crbug.com/1000473 [ android ] rendering.mobile/balls_svg_animations [ Skip ]
 
 # Benchmark: rasterize_and_record_micro.top_25
 crbug.com/764543 rasterize_and_record_micro.top_25/file://static_top_25/wikipedia.html [ Skip ]