Disabling jetstream benchmark

Bug:830600
Change-Id: If56f9e005014061483dcaa2bc4d39abf8314f09e

NOTRY=true
TBR=eyaich@chromium.org
CC=hablich@chromium.org

Change-Id: If56f9e005014061483dcaa2bc4d39abf8314f09e
Reviewed-on: https://chromium-review.googlesource.com/1002923Reviewed-by: Ashley Enstad <ashleymarie@chromium.org>
Commit-Queue: Ashley Enstad <ashleymarie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#549246}

tools/perf/expectations.config

@@ -54,6 +54,9 @@ crbug.com/736817 [ Nexus_5X ] blink_perf.svg/Worldcup.html [ Skip ]
 crbug.com/736817 [ Nexus_5X ] blink_perf.svg/FlowerFromMyGarden.html [ Skip ]
 crbug.com/736817 [ Nexus_5X ] blink_perf.svg/SvgNestedUse.html [ Skip ]
 
+# Benchmark: jetstream
+crbug.com/830600 [ Nexus5X_Webview ] jetstream/http://browserbench.org/JetStream/ [ Skip ]
+
 # Benchmark: loading.desktop
 crbug.com/723783 [ Win ] loading.desktop/Orange [ Skip ]
 crbug.com/752611 [ Linux ] loading.desktop/uol.com.br [ Skip ]