[AppBarLayout] Add setLiftOnScrollTargetView() method

Resolves #2544

PiperOrigin-RevId: 442823082

Author: dsn5ft

lib/java/com/google/android/material/appbar/AppBarLayout.java

@@ -967,6 +967,19 @@ public boolean isLiftOnScroll() {
     return liftOnScroll;
   }
 
+  /**
+   * Sets the view that the {@link AppBarLayout} should use to determine whether it should be
+   * lifted.
+   */
+  public void setLiftOnScrollTargetView(@Nullable View liftOnScrollTargetView) {
+    this.liftOnScrollTargetViewId = View.NO_ID;
+    if (liftOnScrollTargetView == null) {
+      clearLiftOnScrollTargetView();
+    } else {
+      this.liftOnScrollTargetView = new WeakReference<>(liftOnScrollTargetView);
+    }
+  }
+
   /**
    * Sets the id of the view that the {@link AppBarLayout} should use to determine whether it should
    * be lifted.