Add a reverse landscape layout for UDFPS

Bug: 181614043
Test: visual verified
1) Settings -> Security -> Fingerprint
2) Follow the setup flow to find sensor page and enrolling page
3) Rotate your device and see if fingerprint icon is overlapping with
the title.

Change-Id: Ia1202e9688f2472c8063287164f4fc8f479cdae9

src/com/android/settings/biometrics/BiometricUtils.java

@@ -24,6 +24,7 @@ import android.content.Intent;
 import android.content.IntentSender;
 import android.os.storage.StorageManager;
 import android.util.Log;
+import android.view.Surface;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -241,4 +242,14 @@ public class BiometricUtils {
         }
         return false;
     }
+
+    /**
+     * Returns {@code true} if the screen is going into a landscape mode and the angle is equal to
+     * 270.
+     * @param context Context that we use to get the display this context is associated with
+     * @return True if the angle of the rotation is equal to 270.
+     */
+    public static boolean isReverseLandscape(@NonNull Context context) {
+        return context.getDisplay().getRotation() == Surface.ROTATION_270;
+    }
 }