LINK_CONFIGURATION_CHANGED broadcast: stop including EXTRA_LINK_PROPERTIES

This extra is unused, and potentially exposes sensitive information
that can be accessed without any permissions.

Bug: 162246414
Test: atest FrameworksWifiTests
Change-Id: I57c3db765283d8bbb410a0b790e27054c5ab561a
diff --git a/wifi/api/system-current.txt b/wifi/api/system-current.txt
index aab4a2d..fd45ebe 100644
--- a/wifi/api/system-current.txt
+++ b/wifi/api/system-current.txt
@@ -508,7 +508,7 @@
     field public static final int EASY_CONNECT_NETWORK_ROLE_AP = 1; // 0x1
     field public static final int EASY_CONNECT_NETWORK_ROLE_STA = 0; // 0x0
     field public static final String EXTRA_CHANGE_REASON = "changeReason";
-    field public static final String EXTRA_LINK_PROPERTIES = "android.net.wifi.extra.LINK_PROPERTIES";
+    field @Deprecated public static final String EXTRA_LINK_PROPERTIES = "android.net.wifi.extra.LINK_PROPERTIES";
     field public static final String EXTRA_MULTIPLE_NETWORKS_CHANGED = "multipleChanges";
     field public static final String EXTRA_OSU_NETWORK = "android.net.wifi.extra.OSU_NETWORK";
     field public static final String EXTRA_PREVIOUS_WIFI_AP_STATE = "previous_wifi_state";
diff --git a/wifi/java/android/net/wifi/WifiManager.java b/wifi/java/android/net/wifi/WifiManager.java
index c76f4a6..2219bfc 100644
--- a/wifi/java/android/net/wifi/WifiManager.java
+++ b/wifi/java/android/net/wifi/WifiManager.java
@@ -1053,9 +1053,6 @@
 
     /**
      * Broadcast intent action indicating that the link configuration changed on wifi.
-     * <br />Included Extras:
-     * <br />{@link #EXTRA_LINK_PROPERTIES}: {@link android.net.LinkProperties} object associated
-     * with the Wi-Fi network.
      * <br /> No permissions are required to listen to this broadcast.
      * @hide
      */
@@ -1071,8 +1068,12 @@
      * Included in the {@link #ACTION_LINK_CONFIGURATION_CHANGED} broadcast.
      *
      * Retrieve with {@link android.content.Intent#getParcelableExtra(String)}.
+     *
+     * @deprecated this extra is no longer populated.
+     *
      * @hide
      */
+    @Deprecated
     @SystemApi
     public static final String EXTRA_LINK_PROPERTIES = "android.net.wifi.extra.LINK_PROPERTIES";