Googlephotos: Updating to work with latest version

Updating the googlephotos workload to work with app version 4.0.0.212659618

wa/workloads/googlephotos/__init__.py

@@ -42,7 +42,7 @@ class Googlephotos(ApkUiautoWorkload):
     6. A rotate test is performed on a selected image, rotating anticlockwise 90 degrees, 180
        degrees and 270 degrees.
 
-    Known working APK version: 2.15.0.156463917
+    Known working APK version: 4.0.0.212659618
     '''
 
     default_test_images = [

wa/workloads/googlephotos/uiauto/app/src/main/java/com/arm/wa/uiauto/googlephotos/UiAutomation.java

@@ -304,6 +304,11 @@ public class UiAutomation extends BaseUiAutomation implements ApplaunchInterface
         Iterator<Entry<String, PositionPair>> it = testParams.entrySet().iterator();
 
         clickUiObject(BY_ID, packageID + "edit", "android.widget.ImageView");
+        UiObject enhance = 
+            mDevice.findObject(new UiSelector().description("Enhance photo"));
+        if (enhance.exists()){
+            enhance.click();
+        }
 
         // Manage potential different spelling of UI element
         UiObject editCol =