Update colors for themed icons.

Bug: 189478679
Test: manual
Change-Id: Ic94976055305325c879699338a696a7fbe0b8698
diff --git a/iconloaderlib/src/com/android/launcher3/icons/ThemedIconDrawable.java b/iconloaderlib/src/com/android/launcher3/icons/ThemedIconDrawable.java
index 797a439..8969587 100644
--- a/iconloaderlib/src/com/android/launcher3/icons/ThemedIconDrawable.java
+++ b/iconloaderlib/src/com/android/launcher3/icons/ThemedIconDrawable.java
@@ -286,8 +286,8 @@
         Resources res = context.getResources();
         int[] colors = new int[2];
         if ((res.getConfiguration().uiMode & UI_MODE_NIGHT_MASK) == UI_MODE_NIGHT_YES) {
-            colors[0] = res.getColor(android.R.color.system_neutral1_800);
-            colors[1] = res.getColor(android.R.color.system_neutral2_200);
+            colors[0] = GraphicsUtils.getAttrColor(context, android.R.attr.colorBackgroundFloating);
+            colors[1] = GraphicsUtils.getAttrColor(context, android.R.attr.colorAccent);
         } else {
             colors[0] = res.getColor(android.R.color.system_accent1_100);
             colors[1] = res.getColor(android.R.color.system_neutral2_700);