auto-roam fixes, disable scanning based on traffic at interface

Bug: 15575229
Bug: 15577651

Change-Id: Ia8914a90d803fd9e6ba9fa51efce50c7b7f1c692

wifi/java/android/net/wifi/WifiConfiguration.java

@@ -340,6 +340,12 @@ public class WifiConfiguration implements Parcelable {
      */
     public int lastUpdateUid;
 
+    /**
+     * @hide
+     * Uid of app owning the BSSID
+     */
+    public int bssidOwnerUid;
+
     /**
      * @hide
      * BSSID list on which this configuration was seen.
@@ -1105,6 +1111,7 @@ public class WifiConfiguration implements Parcelable {
             didSelfAdd = source.didSelfAdd;
             lastConnectUid = source.lastConnectUid;
             lastUpdateUid = source.lastUpdateUid;
+            bssidOwnerUid = source.bssidOwnerUid;
             creatorUid = source.creatorUid;
             peerWifiConfiguration = source.peerWifiConfiguration;
             blackListTimestamp = source.blackListTimestamp;
@@ -1153,6 +1160,7 @@ public class WifiConfiguration implements Parcelable {
         dest.writeInt(creatorUid);
         dest.writeInt(lastConnectUid);
         dest.writeInt(lastUpdateUid);
+        dest.writeInt(bssidOwnerUid);
         dest.writeLong(blackListTimestamp);
     }
 
@@ -1192,6 +1200,7 @@ public class WifiConfiguration implements Parcelable {
                 config.creatorUid = in.readInt();
                 config.lastConnectUid = in.readInt();
                 config.lastUpdateUid = in.readInt();
+                config.bssidOwnerUid = in.readInt();
                 config.blackListTimestamp = in.readLong();
                 return config;
             }

wifi/java/android/net/wifi/WifiInfo.java

@@ -137,7 +137,7 @@ public class WifiInfo implements Parcelable {
     public int lowRssiCount;
 
     /**
-     * @hide *
+     * @hide
      */
     public int score;
 
@@ -215,7 +215,6 @@ public class WifiInfo implements Parcelable {
         mRssi = INVALID_RSSI;
         mLinkSpeed = -1;
         mFrequency = -1;
-        txBad = 0;
     }
 
     /** @hide */
@@ -228,6 +227,7 @@ public class WifiInfo implements Parcelable {
         setLinkSpeed(-1);
         setFrequency(-1);
         setMeteredHint(false);
+        txBad = 0;
         txSuccess = 0;
         rxSuccess = 0;
         txRetries = 0;