Merge "Add support for showing border for desktop tile" into tm-qpr-dev

quickstep/res/layout/task_desktop.xml

@@ -17,12 +17,15 @@
 
 <com.android.quickstep.views.DesktopTaskView
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
+    xmlns:launcher="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:clipChildren="true"
     android:clipToOutline="true"
     android:defaultFocusHighlightEnabled="false"
-    android:focusable="true">
+    android:focusable="true"
+    launcher:borderColor="?androidprv:attr/colorAccentSecondaryVariant">
 
     <View
         android:id="@+id/background"

quickstep/src/com/android/quickstep/views/DesktopTaskView.java

@@ -132,6 +132,12 @@ public class DesktopTaskView extends TaskView {
         mIconView.setDrawable(new LayerDrawable(new Drawable[]{iconBackground, icon}));
     }
 
+    @Override
+    protected void updateBorderBounds(Rect bounds) {
+        bounds.set(mBackgroundView.getLeft(), mBackgroundView.getTop(), mBackgroundView.getRight(),
+                mBackgroundView.getBottom());
+    }
+
     @Override
     public void bind(Task task, RecentsOrientedState orientedState) {
         bind(Collections.singletonList(task), orientedState);