[Search] Support stylus handwriting in SearchBar

PiperOrigin-RevId: 524098693

Author: Material Design Team

lib/java/com/google/android/material/search/SearchView.java

@@ -543,6 +543,15 @@ public void setupWithSearchBar(@Nullable SearchBar searchBar) {
     searchViewAnimationHelper.setSearchBar(searchBar);
     if (searchBar != null) {
       searchBar.setOnClickListener(v -> show());
+      if (BuildCompat.isAtLeastU()) {
+        try {
+          searchBar.setHandwritingDelegatorCallback(this::show);
+          editText.setIsHandwritingDelegate(true);
+        } catch (LinkageError e) {
+          // Running on a device with an older build of Android U
+          // TODO(b/274154553): Remove try/catch block after Android U Beta 1 is released
+        }
+      }
     }
     updateNavigationIconIfNeeded();
     setUpBackgroundViewElevationOverlay();