sm8450-common: udfps: Correct vendorCodes

Change-Id: I39f37f278e39487c21d96e05ee331c4960d5e2be

udfps/UdfpsHandler.cpp

@@ -113,11 +113,14 @@ class XiaomiSm8450UdfpsHander : public UdfpsHandler {
             if (!enrolling) {
                 setFodStatus(FOD_STATUS_OFF);
             }
-        } else if (vendorCode == 21 || vendorCode == 23) {
-            /*
-             * vendorCode = 21 waiting for fingerprint authentication
-             * vendorCode = 23 waiting for fingerprint enroll
-             */
+        }
+
+        /* vendorCode
+         * 21: waiting for finger
+         * 22: finger down
+         * 23: finger up
+         */
+        if (vendorCode == 21) {
             setFodStatus(FOD_STATUS_ON);
         }
     }