Always show fp icon in portrait on keyguard

Never adjust the layout parameters for rotations on the keyguard. The
keyguard is always in portrait mode and the orientation updates
sometimes come late when the device is in auto-rotate mode.

Test: manual
Fixes: 193315242
Change-Id: I654cf2156a7f02a8e74867bbc225eaabf8c5efda

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

@@ -636,9 +636,12 @@ public class UdfpsController implements DozeReceiver {
         // Gets the size based on the current rotation of the display.
         mContext.getDisplay().getRealSize(p);
 
-        // Transform dimensions if the device is in landscape mode.
+        // Transform dimensions if the device is in landscape mode
         switch (mContext.getDisplay().getRotation()) {
             case Surface.ROTATION_90:
+                if (animation instanceof UdfpsKeyguardViewController) {
+                    break;
+                }
                 mCoreLayoutParams.x = mSensorProps.sensorLocationY - mSensorProps.sensorRadius
                         - paddingX;
                 mCoreLayoutParams.y = p.y - mSensorProps.sensorLocationX - mSensorProps.sensorRadius
@@ -646,6 +649,9 @@ public class UdfpsController implements DozeReceiver {
                 break;
 
             case Surface.ROTATION_270:
+                if (animation instanceof UdfpsKeyguardViewController) {
+                    break;
+                }
                 mCoreLayoutParams.x = p.x - mSensorProps.sensorLocationY - mSensorProps.sensorRadius
                         - paddingX;
                 mCoreLayoutParams.y = mSensorProps.sensorLocationX - mSensorProps.sensorRadius
@@ -654,6 +660,7 @@ public class UdfpsController implements DozeReceiver {
 
             default:
                 // Do nothing to stay in portrait mode.
+                // Keyguard is always in portrait mode.
         }
         // avoid announcing window title
         mCoreLayoutParams.accessibilityTitle = " ";