Disable failing loading.mobile/TribunNews_3g and...

Disable failing loading.mobile/TribunNews_3g and system_health.common_mobile/background:tools:gmail on N5, and fix startup.mobile disables.

Bug: 894744, 896851, 896088
Change-Id: I08abf22dc487dd54fe0d3de9170f3f6cac74888c
TBR: nednguyen@google.com
NOTRY: true
Reviewed-on: https://chromium-review.googlesource.com/c/1289573Reviewed-by: Annie Sullivan <sullivan@chromium.org>
Commit-Queue: Annie Sullivan <sullivan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#600904}

tools/perf/expectations.config

@@ -109,6 +109,7 @@ crbug.com/859597 [ Nexus_5X ] loading.mobile/FlipBoard_cold_3g [ Skip ]
 crbug.com/859597 [ Nexus_5 ] loading.mobile/Hongkiat_3g [ Skip ]
 crbug.com/859597 [ Nexus_5X ] loading.mobile/Hongkiat_3g [ Skip ]
 crbug.com/859597 [ Nexus5X_Webview ] loading.mobile/Hongkiat_3g [ Skip ]
+crbug.com/896088 [ Nexus_5 ] loading.mobile/TribunNews_3g [ Skip ]
 crbug.com/859597 [ Nexus_5X ] loading.mobile/TribunNews_3g [ Skip ]
 crbug.com/859597 [ Nexus5X_Webview ] loading.mobile/TribunNews_3g [ Skip ]
 crbug.com/859597 [ Nexus_5X ] loading.mobile/GoogleIndonesia_3g [ Skip ]
@@ -209,8 +210,8 @@ crbug.com/865400 [ Nexus_5X ] rasterize_and_record_micro.top_25/file://static_to
 crbug.com/875878 [ Nexus6_Webview ] rasterize_and_record_micro.top_25/file://static_top_25/yahoogames.html [ Skip ]
 
 # Benchmark: startup.mobile
-crbug.com/894744 [ Android ] startup.android/intent:coldish:bbc [ Skip ]
-crbug.com/894744 [ Android ] startup.android/intent:warm:bbc [ Skip ]
+crbug.com/894744 [ Android ] startup.mobile/intent:coldish:bbc [ Skip ]
+crbug.com/894744 [ Android ] startup.mobile/intent:warm:bbc [ Skip ]
 
 # Benchmark: system_health.common_desktop
 crbug.com/828917 [ Mac ] system_health.common_desktop/multitab:misc:typical24 [ Skip ]
@@ -228,6 +229,7 @@ crbug.com/865400 [ Pixel_2 ] system_health.common_mobile/background:news:nytimes
 crbug.com/877648 [ Android_Go ] system_health.common_mobile/browse:news:toi [ Skip ]
 crbug.com/877648 [ Android ] system_health.common_mobile/long_running:tools:gmail-background [ Skip ]
 crbug.com/877648 [ Android ] system_health.common_mobile/long_running:tools:gmail-foreground [ Skip ]
+crbug.com/896851 [ Nexus_5 ] system_health.common_mobile/background:tools:gmail [ Skip ]
 
 # Benchmark: system_health.memory_desktop
 crbug.com/728576 [ Mac ] system_health.memory_desktop/browse:news:cnn [ Skip ]