Add Juan as owner of system_health.common_mobile benchmark

Change-Id: I393f7eab3058bec390ad1feff7ba147e60b42d18
Reviewed-on: https://chromium-review.googlesource.com/995580Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Commit-Queue: Ned Nguyen <nednguyen@google.com>
Cr-Commit-Position: refs/heads/master@{#548091}

tools/perf/benchmark.csv

@@ -86,7 +86,7 @@ speedometer2-future,hablich@chromium.org,
 start_with_url.cold.startup_pages,pasko@chromium.org,
 start_with_url.warm.startup_pages,pasko@chromium.org,
 system_health.common_desktop,"charliea@chromium.org, nednguyen@chromium.org",
-system_health.common_mobile,"charliea@chromium.org, nednguyen@chromium.org",
+system_health.common_mobile,"charliea@chromium.org, nednguyen@chromium.org, perezju@chromium.org",
 system_health.memory_desktop,perezju@chromium.org,
 system_health.memory_mobile,perezju@chromium.org,
 system_health.webview_startup,"perezju@chromium.org, torne@chromium.org",

tools/perf/benchmarks/system_health.py

@@ -72,7 +72,8 @@ class DesktopCommonSystemHealth(_CommonSystemHealthBenchmark):
     return 'system_health.common_desktop'
 
 
-@benchmark.Owner(emails=['charliea@chromium.org', 'nednguyen@chromium.org'])
+@benchmark.Owner(emails=['charliea@chromium.org', 'nednguyen@chromium.org',
+                         'perezju@chromium.org'])
 class MobileCommonSystemHealth(_CommonSystemHealthBenchmark):
   """Mobile Chrome Energy System Health Benchmark."""
   PLATFORM = 'mobile'