[SettingsLib] Fix WPA2 security type string

WPA2 security string was incorrect, set to WPA2-PSK instead of RSN-PSK.
This caused a lot of error logs, as well as inaccurate description of
the connected network in the Network details dialog.

Bug: 130147064
Test: adb logcat | grep SettingsLib.AccessPoint and verify no error logs
Test: Verify correct security detail in Network details dialog
Change-Id: Iea57985c73b26fc38061694a76fd51ab578ea692
diff --git a/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java b/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
index 8a88a4c..db236e5 100644
--- a/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
+++ b/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
@@ -1460,7 +1460,7 @@
 
     private static int getPskType(ScanResult result) {
         boolean wpa = result.capabilities.contains("WPA-PSK");
-        boolean wpa2 = result.capabilities.contains("WPA2-PSK");
+        boolean wpa2 = result.capabilities.contains("RSN-PSK");
         if (wpa2 && wpa) {
             return PSK_WPA_WPA2;
         } else if (wpa2) {