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/enterprise/CaCertsCurrentUserPreferenceController.java

@@ -16,11 +16,11 @@ package com.android.settings.enterprise;
 
 import android.content.Context;
 
-import com.android.settings.R;
-
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 
+import com.android.settings.R;
+
 public class CaCertsCurrentUserPreferenceController extends CaCertsPreferenceControllerBase {
 
     @VisibleForTesting