wifi.proto: Add WifiLock statistics

  // Network Suggestion API surface metrics.

  optional WifiNetworkSuggestionApiLog wifi_network_suggestion_api_log = 142;

  // WifiLock statistics

  optional WifiLockStats wifi_lock_stats = 143;

}

// Information that gets logged for every WiFi connection.

  // Histogram for size of the network lists provided by various apps on the device.

  repeated HistogramBucketInt32 network_list_size_histogram = 4;

}

// WifiLock metrics

message WifiLockStats {

    // Amount of time wifi is actively in HIGH_PERF mode (ms)

    // This means the lock takes effect and the device takes the actions required for this mode

    optional int64 high_perf_active_time_ms = 1;

    // Amount of time wifi is actively in LOW_LATENCY mode (ms)

    // This means the lock takes effect and the device takes the actions required for this mode

    optional int64 low_latency_active_time_ms = 2;

    // Histogram of HIGH_PERF lock acquisition duration (seconds)

    // Note that acquiring the lock does not necessarily mean that device is actively in that mode

    repeated HistogramBucketInt32 high_perf_lock_acq_duration_sec_histogram = 3;

    // Histogram of LOW_LATENCY lock acquisition duration (seconds)

    // Note that acquiring the lock does not necessarily mean that device is actively in that mode

    repeated HistogramBucketInt32 low_latency_lock_acq_duration_sec_histogram = 4;

    // Histogram of HIGH_PERF active session duration (seconds)

    // This means the lock takes effect and the device takes the actions required for this mode

    repeated HistogramBucketInt32 high_perf_active_session_duration_sec_histogram = 5;

    // Histogram of LOW_LATENCY active session duration (seconds)

    // This means the lock takes effect and the device takes the actions required for this mode

    repeated HistogramBucketInt32 low_latency_active_session_duration_sec_histogram = 6;

}