Merge "Fix bug in MacAddress.fromString()"

am: cdb84d2fc7

Change-Id: If4c85f0a5ea259f53f9cffa6eacb58fcde1fd1df

core/java/android/net/MacAddress.java

@@ -280,9 +280,8 @@ public final class MacAddress implements Parcelable {
             throw new IllegalArgumentException(addr + " was not a valid MAC address");
         }
         long longAddr = 0;
-        int index = ETHER_ADDR_LEN;
-        while (index-- > 0) {
-            int x = Integer.valueOf(parts[index], 16);
+        for (int i = 0; i < parts.length; i++) {
+            int x = Integer.valueOf(parts[i], 16);
             if (x < 0 || 0xff < x) {
                 throw new IllegalArgumentException(addr + "was not a valid MAC address");
             }