metrics: add urgent ratio metric

Bug: 199288752
Test: <trace_processor_shell> --run-metrics android_simpleperf \
      <perfetto trace>
Change-Id: If4d60d51965d9ea273cc2e0318440c96a135ef98
diff --git a/BUILD b/BUILD
index 264030b..3e34832 100644
--- a/BUILD
+++ b/BUILD
@@ -1030,6 +1030,7 @@
         "src/trace_processor/metrics/android/android_package_list.sql",
         "src/trace_processor/metrics/android/android_powrails.sql",
         "src/trace_processor/metrics/android/android_proxy_power.sql",
+        "src/trace_processor/metrics/android/android_simpleperf.sql",
         "src/trace_processor/metrics/android/android_startup.sql",
         "src/trace_processor/metrics/android/android_startup_launches.sql",
         "src/trace_processor/metrics/android/android_surfaceflinger.sql",
@@ -2565,6 +2566,7 @@
         "protos/perfetto/metrics/android/powrails_metric.proto",
         "protos/perfetto/metrics/android/process_metadata.proto",
         "protos/perfetto/metrics/android/profiler_smaps.proto",
+        "protos/perfetto/metrics/android/simpleperf.proto",
         "protos/perfetto/metrics/android/startup_metric.proto",
         "protos/perfetto/metrics/android/surfaceflinger.proto",
         "protos/perfetto/metrics/android/sysui_cuj_metrics.proto",