Fix for "Do Not Track"

Added missing call to set the DoNotTrack flag based on browser settings.

Change-Id: I2e93f6c5d674cb421157f9c7770b6a5da133bfc6
diff --git a/src/com/android/browser/BrowserSettings.java b/src/com/android/browser/BrowserSettings.java
index 1e2e84a..b11e0c6 100644
--- a/src/com/android/browser/BrowserSettings.java
+++ b/src/com/android/browser/BrowserSettings.java
@@ -281,6 +281,7 @@
         settings.setSavePassword(rememberPasswords());
         settings.setSaveFormData(saveFormdata());
         settings.setUseWideViewPort(isWideViewport());
+        settings.setDoNotTrack(doNotTrack());
         setUserAgent(settings);
 
         WebSettings settingsClassic = (WebSettings) settings;