Merge "Add log when upfps overlay isn't in sync with KeyguardUpdateMonitor" into sc-v2-dev am: 5537022d0d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16031559

Change-Id: Ie31e5f13103f8b2da946611153529e1c6b2ab7c8

packages/SystemUI/src/com/android/systemui/biometrics/UdfpsController.java

@@ -256,6 +256,13 @@ public class UdfpsController implements DozeReceiver {
         @Override
         public void hideUdfpsOverlay(int sensorId) {
             mFgExecutor.execute(() -> {
+                if (mKeyguardUpdateMonitor.isFingerprintDetectionRunning()) {
+                    // if we get here, we expect keyguardUpdateMonitor's fingerprintRunningState
+                    // to be updated shortly afterwards
+                    Log.d(TAG, "hiding udfps overlay when "
+                            + "mKeyguardUpdateMonitor.isFingerprintDetectionRunning()=true");
+                }
+
                 mServerRequest = null;
                 updateOverlay();
             });