Update buttons in pin widget picker.

Bug: 188504905
Test: Tested manually
Change-Id: Ibce57d7f70700b5f36b588ad85f8a829d4d4c5c2
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 2efa377..23ea9cf 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -287,10 +287,6 @@
         <item name="android:colorForeground">@color/all_apps_bg_hand_fill_dark</item>
     </style>
 
-    <style name="Widget.DeviceDefault.Button.Rounded.Colored" parent="@android:style/Widget.DeviceDefault.Button.Colored">
-        <item name="android:background">@drawable/add_item_dialog_button_background</item>
-    </style>
-
     <style name="Button.TopRounded.Bordered" parent="@android:style/Widget.Material.Button">
         <item name="android:background">@drawable/button_top_rounded_bordered_ripple</item>
         <item name="android:stateListAnimator">@null</item>
@@ -306,6 +302,11 @@
         <item name="android:stateListAnimator">@null</item>
     </style>
 
+    <style name="Button.FullRounded.Colored" parent="@android:style/Widget.Material.Button">
+        <item name="android:background">@drawable/full_rounded_colored_ripple</item>
+        <item name="android:stateListAnimator">@null</item>
+    </style>
+
     <style name="AddItemActivityTheme" parent="@android:style/Theme.Translucent.NoTitleBar">
         <item name="widgetsTheme">@style/WidgetContainerTheme</item>
     </style>