Add limited support for animationType on Android

This commit adds support for displaying an activity with no animation
by setting `animationType: none` when calling `startApp`. In the future
we can support more animation types if there's a demand for it.

android/app/src/main/java/com/reactnativenavigation/controllers/NavigationActivity.java

         RedboxPermission.permissionToShowRedboxIfNeeded(this);
         activityParams = NavigationCommandsHandler.parseActivityParams(getIntent());
 
+        disableActivityShowAnimationIfNeeded();
         createLayout();
         createModalController();
     }
 
+    private void disableActivityShowAnimationIfNeeded() {
+        if (!activityParams.animateShow) {
+            overridePendingTransition(0, 0);
+        }
+    }
+
     private void createModalController() {
         modalController = new ModalController(this);
     }

android/app/src/main/java/com/reactnativenavigation/params/ActivityParams.java

     public ScreenParams screenParams;
     public List<ScreenParams> tabParams;
     public SideMenuParams sideMenuParams;
+    public boolean animateShow;
 }

android/app/src/main/java/com/reactnativenavigation/params/parsers/ActivityParamsParser.java

             result.sideMenuParams = SideMenuParamsParser.parse(params.getBundle("sideMenu"));
         }
 
+        result.animateShow = params.getBoolean("animateShow", true);
+
         return result;
     }
 }

src/deprecated/platformSpecificDeprecated.android.js

   params.appStyle = convertStyleParams(params.appStyle);
   params.sideMenu = convertDrawerParamsToSideMenuParams(params.drawer);
   params.overrideBackPress = screen.overrideBackPress;
+  params.animateShow = convertAnimationType(params.animationType);
 
   newPlatformSpecific.startApp(params);
 }
 
   params.appStyle = convertStyleParams(params.appStyle);
   params.sideMenu = convertDrawerParamsToSideMenuParams(params.drawer);
+  params.animateShow = convertAnimationType(params.animationType);
 
   newPlatformSpecific.startApp(params);
 }
   }
 }
 
+function convertAnimationType(animationType) {
+  return animationType !== 'none';
+}
+
 function navigatorSetButtons(navigator, navigatorEventID, params) {
   if (params.rightButtons) {
     params.rightButtons.forEach(function(button) {