Visual changes to QS header

Change TextAppearance in QS header.

Also, reduce size of QS tile background. Removed extra padding in the
bottom of QSIconViewImpl that was not needed.

Test: visual
Bug: 124466915
Change-Id: I0b8db6edad7f8527caff76f9419c42a8016a6bda
diff --git a/packages/SystemUI/res/layout/system_icons.xml b/packages/SystemUI/res/layout/system_icons.xml
index 9de46d8..f3b72bf 100644
--- a/packages/SystemUI/res/layout/system_icons.xml
+++ b/packages/SystemUI/res/layout/system_icons.xml
@@ -15,6 +15,7 @@
   -->
 
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              xmlns:systemui="http://schemas.android.com/apk/res-auto"
     android:id="@+id/system_icons"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -32,5 +33,6 @@
         android:layout_height="match_parent"
         android:layout_width="wrap_content"
         android:clipToPadding="false"
-        android:clipChildren="false" />
+        android:clipChildren="false"
+        systemui:textAppearance="@style/TextAppearance.StatusBar.Clock" />
 </LinearLayout>
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