chore: Change getDeviceTime to call the mobile implementation (appium#1332)

Author: mykola-mokhnach

src/main/java/io/appium/java_client/HasDeviceTime.java

@@ -18,10 +18,14 @@
 
 import static io.appium.java_client.MobileCommand.GET_DEVICE_TIME;
 
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 
+import org.openqa.selenium.remote.DriverCommand;
 import org.openqa.selenium.remote.Response;
 
+import java.util.Map;
+
 public interface HasDeviceTime extends ExecutesMethod {
 
  /**
@@ -31,10 +35,15 @@ public interface HasDeviceTime extends ExecutesMethod {
  * https://momentjs.com/docs/ to get the full list of supported
  * datetime format specifiers. The default format is
  * `YYYY-MM-DDTHH:mm:ssZ`, which complies to ISO-8601
+ * @since Appium 1.18
  * @return Device time string
  */
  default String getDeviceTime(String format) {
- Response response = execute(GET_DEVICE_TIME, ImmutableMap.of("format", format));
+ Map<String, ?> params = ImmutableMap.of(
+ "script", "mobile: getDeviceTime",
+ "args", ImmutableList.of(ImmutableMap.of("format", format))
+ );
+ Response response = execute(DriverCommand.EXECUTE_SCRIPT, params);
  return response.getValue().toString();
  }