Adjust media layout to spec

- In compact view, align buttons with artist text
- Use primary accent color for solid backgrounds
- Smaller bottom margin in QQS

Fixes: 187421292
Fixes: 190704124
Test: visual
Change-Id: I4a7500fbabccb9a8161e7587c6e547fc90ba9c82
diff --git a/packages/SystemUI/res/values/styles.xml b/packages/SystemUI/res/values/styles.xml
index 7a5a348..0260199 100644
--- a/packages/SystemUI/res/values/styles.xml
+++ b/packages/SystemUI/res/values/styles.xml
@@ -641,7 +641,10 @@
         <item name="android:background">@drawable/qs_media_light_source</item>
         <item name="android:tint">?android:attr/textColorPrimary</item>
         <item name="android:stateListAnimator">@anim/media_button_state_list_animator</item>
-        <item name="android:padding">12dp</item>
+        <item name="android:paddingTop">8dp</item>
+        <item name="android:paddingStart">12dp</item>
+        <item name="android:paddingEnd">12dp</item>
+        <item name="android:paddingBottom">16dp</item>
         <item name="android:scaleType">centerInside</item>
     </style>