SystemUIGoogle: Fix now playing text alignment

Signed-off-by: Anushek Prasal <anushekprasal@gmail.com>

SystemUIGoogle/res/layout/ambient_indication_inner.xml

@@ -1,19 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
+<androidx.constraintlayout.widget.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@id/ambient_indication"
     android:layout_width="fill_parent"
     android:layout_height="wrap_content"
     android:forceHasOverlappingRendering="false"
     android:orientation="vertical"
-    android:paddingTop="4.0dip">
+    android:paddingTop="16.0dip">
 
     <LinearLayout
         android:id="@id/ambient_indication_info_container"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:orientation="horizontal">
+        android:orientation="horizontal"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent">
 
         <ImageView
             android:id="@id/ambient_indication_icon"
@@ -50,6 +53,8 @@
         android:layout_gravity="center|top"
         android:padding="@dimen/dock_top_logo_padding"
         android:scaleType="fitXY"
-        android:visibility="gone" />
+        android:visibility="gone"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
 
-</LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>