Do not announce a11y move instructions in sensor area.

Test: manually test by enabling talkback
Bug: 270437012
Change-Id: I9433772dea1bb667255c367c0ee8c9bab4201d57

src/com/android/settings/biometrics/fingerprint/FingerprintEnrollEnrolling.java

@@ -1295,6 +1295,11 @@ public class FingerprintEnrollEnrolling extends BiometricsEnrollEnrolling {
                     mUdfpsUtils.getTouchInNativeCoordinates(event.getPointerId(0),
                             event, udfpsEnrollView.getOverlayParams());
 
+            if (mUdfpsUtils.isWithinSensorArea(event.getPointerId(0), event,
+                    udfpsEnrollView.getOverlayParams())) {
+                return false;
+            }
+
             final String theStr = mUdfpsUtils.onTouchOutsideOfSensorArea(
                     mAccessibilityManager.isTouchExplorationEnabled(), context,
                     scaledTouch.x, scaledTouch.y, udfpsEnrollView.getOverlayParams());