Use a grid view for bookmarks page.

The BrowserProvider now stores another blob
for a screenshot of the page.  If the current
page is a bookmark, store a screenshot.  When
viewing bookmarks, show a gridview of screenshots
of the bookmarks.

Requires a change to framework to add THUMBNAIL
to Browser.BookmarkColumns and to the HISTORY_PROJECTION
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 0403dfe..88c414b 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1,20 +1,19 @@
 <!--
-/* //device/apps/Browser/AndroidManifest.xml
-**
-** Copyright 2006, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
+/*
+ * Copyright 2006, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 -->
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.android.browser">
@@ -131,6 +130,8 @@
         <activity android:name="BrowserBookmarksPage" android:label="@string/bookmarks"
                   android:launchMode="singleTop" android:configChanges="orientation|keyboardHidden">
         </activity>
+        <activity android:name="BookmarkGridPage" android:label="@string/bookmarks"
+                  android:launchMode="singleTop" android:configChanges="orientation|keyboardHidden"/>
 
         <activity android:name="MostVisitedActivity" android:label=""
                 android:launchMode="singleTop" android:configChanges="orientation|keyboardHidden"/>