Don't show the submit button when it isn't enabled.

There was a particular scenario where it was being shown even if it's disabled.

Bug: 5412759
Change-Id: I34edd385062bed48bccef35e8240932d4cc96fd1

Author: Amith Yamasani

core/java/android/widget/SearchView.java

@@ -728,7 +728,8 @@ private boolean isSubmitAreaEnabled() {
 
     private void updateSubmitButton(boolean hasText) {
         int visibility = GONE;
-        if (isSubmitAreaEnabled() && hasFocus() && (hasText || !mVoiceButtonEnabled)) {
+        if (mSubmitButtonEnabled && isSubmitAreaEnabled() && hasFocus()
+                && (hasText || !mVoiceButtonEnabled)) {
             visibility = VISIBLE;
         }
         mSubmitButton.setVisibility(visibility);
@@ -1082,9 +1083,7 @@ private void onTextChanged(CharSequence newText) {
         CharSequence text = mQueryTextView.getText();
         mUserQuery = text;
         boolean hasText = !TextUtils.isEmpty(text);
-        if (isSubmitButtonEnabled()) {
-            updateSubmitButton(hasText);
-        }
+        updateSubmitButton(hasText);
         updateVoiceButton(!hasText);
         updateCloseButton();
         updateSubmitArea();