adjust tab width for screen size

       Bug: 4427112
       make tabs smaller for portrait 7 inch screen

Change-Id: I0e02e68b1bae1fe7e81f1a3a49911707de40903b
diff --git a/res/values/dimensions.xml b/res/values/dimensions.xml
index 99eb43e..50e802d 100644
--- a/res/values/dimensions.xml
+++ b/res/values/dimensions.xml
@@ -13,9 +13,9 @@
 <resources
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <!-- The width of a selected tab -->
-    <dimen name="tab_width_selected">280dp</dimen>
+    <dimen name="tab_width_selected">200dp</dimen>
     <!-- The width of an unselected tab -->
-    <dimen name="tab_width_unselected">240dp</dimen>
+    <dimen name="tab_width_unselected">160dp</dimen>
     <dimen name="tab_height">44dp</dimen>
     <dimen name="tab_overlap">8dp</dimen>
     <dimen name="tab_addoverlap">14dp</dimen>