Removed dependency on framework browser provider from browser

Brought in Browser Provider class locally into platformsupport
and modified all calls into provider to call into this local
class.

Change-Id: I3c471dacf920fd30403590ba23384b7abbf7f3fd
diff --git a/src/com/android/browser/PreloadRequestReceiver.java b/src/com/android/browser/PreloadRequestReceiver.java
index c654037..b75da0c 100644
--- a/src/com/android/browser/PreloadRequestReceiver.java
+++ b/src/com/android/browser/PreloadRequestReceiver.java
@@ -21,9 +21,10 @@
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.os.Bundle;
-import android.provider.Browser;
 import android.util.Log;
 
+import com.android.browser.platformsupport.Browser;
+
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;