Fixed an issue where added icons were white in multiwindow

Because it wasn't laid out yet, icons would appear white.

Change-Id: I9338966299de253f36ae325553e82b76defe3b9d
Fixes: 66711268
Test: add icon with light statusbar in multiwindow, icon looks normal
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java b/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java
index 2cff79d..9fa5dcd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java
@@ -43,6 +43,7 @@
 import android.util.Log;
 import android.util.Property;
 import android.util.TypedValue;
+import android.view.View;
 import android.view.ViewDebug;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.animation.Interpolator;
@@ -142,6 +143,7 @@
     private float[] mMatrix;
     private ColorMatrixColorFilter mMatrixColorFilter;
     private boolean mIsInShelf;
+    private Runnable mLayoutRunnable;
 
     public StatusBarIconView(Context context, String slot, StatusBarNotification sbn) {
         this(context, slot, sbn, false);
@@ -804,6 +806,19 @@
         return mIsInShelf;
     }
 
+    @Override
+    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+        super.onLayout(changed, left, top, right, bottom);
+        if (mLayoutRunnable != null) {
+            mLayoutRunnable.run();
+            mLayoutRunnable = null;
+        }
+    }
+
+    public void executeOnLayout(Runnable runnable) {
+        mLayoutRunnable = runnable;
+    }
+
     public interface OnVisibilityChangedListener {
         void onVisibilityChanged(int newVisibility);
     }