Removed usage of tabs for indention

Author: Simon Schoar

core/java/android/app/Notification.java

@@ -460,9 +460,9 @@ public String toString() {
                 sb.append(this.vibrate[i]);
                 sb.append(',');
             }
-	    if (N != -1) {
-        	sb.append(this.vibrate[N]);
-	    }
+            if (N != -1) {
+                sb.append(this.vibrate[N]);
+            }
             sb.append("]");
         } else if ((this.defaults & DEFAULT_VIBRATE) != 0) {
             sb.append("default");