Ignore first crash dialog.

By default, no longer show the crash dialog the first time an app
crashes. Instead, only multiple crashes will show by default.

Add developer setting to control behavior, so app developers can
ensure dialog always shows when a crash happens.

Bug: 63703353, 70640329
Test: robotests, manual crashing with a test app
Change-Id: I2e625ed147dafc188b28c52eb1b9cee6b2330d50

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -441,6 +441,7 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         controllers.add(new ProfileGpuRenderingPreferenceController(context));
         controllers.add(new KeepActivitiesPreferenceController(context));
         controllers.add(new BackgroundProcessLimitPreferenceController(context));
+        controllers.add(new ShowFirstCrashDialogPreferenceController(context));
         controllers.add(new AppsNotRespondingPreferenceController(context));
         controllers.add(new NotificationChannelWarningsPreferenceController(context));
         controllers.add(new AllowAppsOnExternalPreferenceController(context));