8221366: Search box tries to search for "Search"

Reviewed-by: jjg

src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/resources/search.js

@@ -77,7 +77,7 @@ $(function() {
             $(this).val(watermark).addClass('watermark');
         }
     });
-    $("#search").on('click keydown', function() {
+    $("#search").on('click keydown paste', function() {
         if ($(this).val() == watermark) {
             $(this).val('').removeClass('watermark');
         }

test/langtools/jdk/javadoc/doclet/testSearch/TestSearch.java

@@ -625,7 +625,7 @@ public class TestSearch extends JavadocTester {
                 "function concatResults(a1, a2) {",
                 "if (exactMatcher.test(item.l)) {\n"
                 + "                        presult.push(item);",
-                "$(\"#search\").on('click keydown', function() {\n"
+                "$(\"#search\").on('click keydown paste', function() {\n"
                 + "        if ($(this).val() == watermark) {\n"
                 + "            $(this).val('').removeClass('watermark');\n"
                 + "        }\n"