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/notification/AppLinkPreferenceController.java

@@ -18,10 +18,10 @@ package com.android.settings.notification;
 
 import android.content.Context;
 
-import com.android.settings.core.PreferenceControllerMixin;
-
 import androidx.preference.Preference;
 
+import com.android.settings.core.PreferenceControllerMixin;
+
 /**
  * Controls link to reach more preference settings inside the app.
  */