Add drawer with state information

tools/viewer/sk_app/android/Window_android.cpp

 /*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "Window_android.h"
 
 #include "VulkanWindowContext_android.h"
@@ skipping 23 matching lines @@
         // fWindowContext doesn't exist because we haven't
         // initDisplay yet.
         return fDisplayParams;
     }
 }
 
 void Window_android::setTitle(const char* title) {
     fSkiaAndroidApp->setTitle(title);
 }
 
+void Window_android::setUIState(const Json::Value& state) {
+    fSkiaAndroidApp->setUIState(state);
+}
+
 bool Window_android::attach(BackendType attachType, const DisplayParams& params) {
     if (kVulkan_BackendType != attachType) {
         return false;
     }
 
     fDisplayParams = params;
 
     // We delay the creation of fTestContext until Android informs us that
     // the native window is ready to use.
     return true;
@@ skipping 16 matching lines @@
 
 void Window_android::paintIfNeeded() {
     if (fWindowContext) { // Check if initDisplay has already been called
         onPaint();
     } else {
         markInvalProcessed();
     }
 }
 
 }   // namespace sk_app