Merge "docs: Updates the documentation for the wepKeys field." into pi-dev

am: 61a4d35100

Change-Id: I9f5ad3998d97b740e07b8e4345b22108245ee5ae

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

@@ -332,9 +332,10 @@ public class WifiConfiguration implements Parcelable {
     public String preSharedKey;
 
     /**
-     * Up to four WEP keys. Either an ASCII string enclosed in double
-     * quotation marks (e.g., {@code "abcdef"}) or a string
-     * of hex digits (e.g., {@code 0102030405}).
+     * Four WEP keys. For each of the four values, provide either an ASCII
+     * string enclosed in double quotation marks (e.g., {@code "abcdef"}),
+     * a string of hex digits (e.g., {@code 0102030405}), or an empty string
+     * (e.g., {@code ""}).
      * <p/>
      * When the value of one of these keys is read, the actual key is
      * not returned, just a "*" if the key has a value, or the null