Add AGPS for Garmin Forerunner 245

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/garmin/forerunner245/GarminForerunner245Coordinator.java

@@ -15,4 +15,14 @@ public class GarminForerunner245Coordinator extends GarminCoordinator {
     public int getDeviceNameResource() {
         return R.string.devicetype_garmin_forerunner_245;
     }
+
+    @Override
+    public boolean supportsFlashing() {
+        return true;
+    }
+
+    @Override
+    public boolean supportsAgpsUpdates() {
+        return true;
+    }
 }