Sort imports

Having consistent import order will reduce chance of merge
conflict between internal and external master

Test: rebuild
Change-Id: I0b1a170967ddcce7f388603fd521f6ed1eeba30b

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

@@ -16,8 +16,6 @@
 
 package com.android.settings.biometrics;
 
-import static android.app.Activity.RESULT_FIRST_USER;
-
 import android.annotation.Nullable;
 import android.content.Intent;
 import android.content.res.Resources;