[Color] Update DynamicColors to use peekDecorView() instead of getDecorView() when applying dynamic color theme overlay

Resolves #2558

PiperOrigin-RevId: 428033173

Author: dsn5ft

lib/java/com/google/android/material/color/DynamicColors.java

@@ -315,7 +315,8 @@ private static void applyDynamicColorThemeOverlay(Activity activity, @StyleRes i
   private static Theme getWindowDecorViewTheme(@NonNull Activity activity) {
     Window window = activity.getWindow();
     if (window != null) {
-      View decorView = window.getDecorView();
+      // Use peekDecorView() instead of getDecorView() to avoid locking the Window.
+      View decorView = window.peekDecorView();
       if (decorView != null) {
         Context context = decorView.getContext();
         if (context != null) {