Reword Finish to Exit for read only forms

app/assets/locales/android_translatable_strings.txt

@@ -167,6 +167,7 @@ form.entry.incomplete.save.success=Form saved as incomplete
 form.entry.save.error=Sorry, form save failed. Please contact CommCare Support to look into the issue.
 form.entry.save.invalid.unicode=Could not save '${0}' text in form.
 form.entry.finish.button=FINISH
+form.entry.exit.button=EXIT
 form.entry.restart.after.expiration=You were logged out due to session expiration. The form you were in the middle of has been saved and resumed.
 
 login.attempt.badcred=Username or password are incorrect. Please try again.

app/src/org/commcare/activities/FormEntryActivityUIController.java

@@ -82,6 +82,7 @@ public class FormEntryActivityUIController implements CommCareActivityUIControll
     private boolean formRelevanciesUpdateInProgress = false;
 
     private static final String KEY_LAST_CHANGED_WIDGET = "index-of-last-changed-widget";
+    private TextView finishText;
 
     enum AnimationType {
         LEFT, RIGHT, FADE
@@ -103,7 +104,7 @@ public void setupUI() {
 
         View finishButton = activity.findViewById(R.id.nav_btn_finish);
 
-        TextView finishText = finishButton.findViewById(R.id.nav_btn_finish_text);
+        finishText = finishButton.findViewById(R.id.nav_btn_finish_text);
         finishText.setText(Localization.get("form.entry.finish.button").toUpperCase());
 
         nextButton.setOnClickListener(v -> {
@@ -199,6 +200,10 @@ protected void refreshCurrentView(boolean animateLastView) {
             QuestionsView current = createView();
             showView(current, AnimationType.FADE, animateLastView);
         }
+
+        if (FormEntryActivity.mFormController.isFormReadOnly()) {
+            finishText.setText(Localization.get("form.entry.exit.button").toUpperCase());
+        }
     }
 
     /**