Javadoc improvements in SearchView per API review.

Bug: 6442174

Added attr refs to 2 methods.

Change-Id: I9b5f93e8e921a7260fdc25c8134e655f09a1ffb7

Author: Amith Yamasani

core/java/android/widget/SearchView.java

@@ -576,6 +576,8 @@ public void setIconifiedByDefault(boolean iconified) {
     /**
      * Returns the default iconified state of the search field.
      * @return
+     *
+     * @attr ref android.R.styleable#SearchView_iconifiedByDefault
      */
     public boolean isIconfiedByDefault() {
         return mIconifiedByDefault;
@@ -696,6 +698,8 @@ public void setMaxWidth(int maxpixels) {
      * Gets the specified maximum width in pixels, if set. Returns zero if
      * no maximum width was specified.
      * @return the maximum width of the view
+     *
+     * @attr ref android.R.styleable#SearchView_maxWidth
      */
     public int getMaxWidth() {
         return mMaxWidth;