Adding small padding between icons in AllApps.

Bug: 23948851
Change-Id: If7daf84be0c5b314c5afd896d2601028ee243c80
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 7d60cbe..4eee130 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -44,6 +44,8 @@
         <item name="android:textColor">@color/quantum_panel_text_color</item>
         <item name="android:drawablePadding">@dimen/dynamic_grid_icon_drawable_padding</item>
         <item name="android:shadowRadius">0</item>
+        <item name="android:paddingLeft">4dp</item>
+        <item name="android:paddingRight">4dp</item>
         <item name="customShadows">false</item>
     </style>