Portrait grid changes for Workspace/All Apps.

Bug: 37015359
Change-Id: Ifbdd0e71c36e532b189e02283e3eeb562ebe2654
diff --git a/src/com/android/launcher3/WidgetPreviewLoader.java b/src/com/android/launcher3/WidgetPreviewLoader.java
index f66995f..d421a0e 100644
--- a/src/com/android/launcher3/WidgetPreviewLoader.java
+++ b/src/com/android/launcher3/WidgetPreviewLoader.java
@@ -111,7 +111,7 @@
      * sizes (landscape vs portrait).
      */
     private static class CacheDb extends SQLiteCacheHelper {
-        private static final int DB_VERSION = 6;
+        private static final int DB_VERSION = 7;
 
         private static final String TABLE_NAME = "shortcut_and_widget_previews";
         private static final String COLUMN_COMPONENT = "componentName";