Fix snooze view

* Remove indent to fix content alignment in any notification section.
* Background color had not been updated and made it look transparent.
* Title case for Undo.

Bug: 184982648
Fixes: 180123838
Test: visual inspection
Change-Id: I5648a0a530931ee7f268e4b64eac4dd71015f593
diff --git a/packages/SystemUI/res/layout/notification_snooze.xml b/packages/SystemUI/res/layout/notification_snooze.xml
index dc9d920..bb82f91 100644
--- a/packages/SystemUI/res/layout/notification_snooze.xml
+++ b/packages/SystemUI/res/layout/notification_snooze.xml
@@ -17,10 +17,11 @@
 
 <com.android.systemui.statusbar.notification.row.NotificationSnooze
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical"
-    android:background="?android:attr/colorBackground"
+    android:background="?androidprv:attr/colorSurface"
     android:theme="@style/Theme.SystemUI">
 
     <RelativeLayout
@@ -34,7 +35,7 @@
             android:layout_height="wrap_content"
             android:layout_alignParentStart="true"
             android:layout_centerVertical="true"
-            android:paddingStart="@*android:dimen/notification_content_margin_start"
+            android:paddingStart="@*android:dimen/notification_content_margin_end"
             android:textColor="?android:attr/textColorPrimary"
             android:paddingEnd="4dp"/>
 
diff --git a/packages/SystemUI/res/layout/notification_snooze_option.xml b/packages/SystemUI/res/layout/notification_snooze_option.xml
index f203839..d42cc02 100644
--- a/packages/SystemUI/res/layout/notification_snooze_option.xml
+++ b/packages/SystemUI/res/layout/notification_snooze_option.xml
@@ -17,8 +17,8 @@
 <TextView
         xmlns:android="http://schemas.android.com/apk/res/android"
         android:layout_width="match_parent"
-        android:layout_height="48dp"
-        android:layout_marginStart="@*android:dimen/notification_content_margin_start"
+        android:layout_height="@*android:dimen/notification_headerless_min_height"
+        android:layout_marginStart="@*android:dimen/notification_content_margin_end"
         android:layout_marginEnd="@*android:dimen/notification_content_margin_end"
         android:gravity="center_vertical"
         android:textSize="14sp"
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 4ae1c936..b5a07eb 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -2012,7 +2012,7 @@
     <string name="notification_menu_settings_action">Settings</string>
 
     <!-- Notification: Snooze panel: Snooze undo button label. [CHAR LIMIT=50]-->
-    <string name="snooze_undo">UNDO</string>
+    <string name="snooze_undo">Undo</string>
 
     <!-- Notification: Snooze panel: message indicating how long the notification was snoozed for. [CHAR LIMIT=100]-->
     <string name="snoozed_for_time">Snoozed for <xliff:g id="time_amount" example="15 minutes">%1$s</xliff:g></string>