Merge "Touch event latency metrics"

        ChargingStateChanged charging_state_changed = 31;

        PluggedStateChanged plugged_state_changed = 32;

        InteractiveStateChanged interactive_state_changed = 33;

        // 34 is available

        TouchEventReported touch_event_reported = 34;

        WakeupAlarmOccurred wakeup_alarm_occurred = 35;

        KernelWakeupReported kernel_wakeup_reported = 36;

        WifiLockStateChanged wifi_lock_state_changed = 37;

    optional int64 changed_preference_int_value = 5;

}

/**

 * Logs basic timing information about touch events.

 * Reported at most every 5 minutes while device is being interacted with.

 *

 * Logged from:

 *   frameworks/native/services/inputflinger

 */

message TouchEventReported {

    /**

     * The fields latency_{min|max|mean|stdev} represent minimum, maximum, mean,

     * and the standard deviation of latency between the kernel and framework

     * for touchscreen events. The units are microseconds.

     *

     * The number is measured as the difference between the time at which

     * the input event was received in the evdev driver,

     * and the time at which the input event was received in EventHub.

     */

    // Minimum value

    optional float latency_min_micros = 1;

    // Maximum value

    optional float latency_max_micros = 2;

    // Average value

    optional float latency_mean_micros = 3;

    // Standard deviation

    optional float latency_stdev_micros = 4;

}

/**

 * Logs that a setting was updated.

 * Logged from: