Use colorPrimary for EntityHeader's background.

Bug: 76219670
Test: check color from screen manually.
Change-Id: If13d5cbd2bd7db1c6d9c9f840281601ab78ba267

res/drawable/selectable_card_grey.xml

@@ -18,5 +18,5 @@
 <ripple
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:color="?android:attr/colorControlHighlight">
-    <item android:drawable="?android:attr/colorSecondary"/>
+    <item android:drawable="?android:attr/colorPrimary"/>
 </ripple>

res/layout/storage_summary_donut.xml

@@ -17,7 +17,7 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:background="?android:attr/colorSecondary"
+    android:background="?android:attr/colorPrimary"
     android:gravity="center_vertical"
     android:orientation="horizontal" >
 

res/values/styles.xml

@@ -402,7 +402,7 @@
     </style>
 
     <style name="EntityHeader">
-        <item name="android:background">?android:attr/colorSecondary</item>
+        <item name="android:background">?android:attr/colorPrimary</item>
         <item name="android:gravity">center_horizontal</item>
         <item name="android:paddingTop">16dp</item>
         <item name="android:paddingStart">16dp</item>

src/com/android/settings/widget/EntityHeaderController.java

@@ -307,7 +307,7 @@ public class EntityHeaderController {
             return this;
         }
         actionBar.setBackgroundDrawable(
-                new ColorDrawable(Utils.getColorAttr(activity, android.R.attr.colorSecondary)));
+                new ColorDrawable(Utils.getColorAttr(activity, android.R.attr.colorPrimary)));
         actionBar.setElevation(0);
         if (mRecyclerView != null && mLifecycle != null) {
             ActionBarShadowController.attachToRecyclerView(mActivity, mLifecycle, mRecyclerView);