global: optimize imports

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

tunnel/src/main/java/com/wireguard/config/Config.java

@@ -5,13 +5,10 @@
 
 package com.wireguard.config;
 
-import com.wireguard.util.NonNullForAll;
-
-import androidx.annotation.Nullable;
-
 import com.wireguard.config.BadConfigException.Location;
 import com.wireguard.config.BadConfigException.Reason;
 import com.wireguard.config.BadConfigException.Section;
+import com.wireguard.util.NonNullForAll;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -25,6 +22,8 @@ import java.util.List;
 import java.util.Objects;
 import java.util.Set;
 
+import androidx.annotation.Nullable;
+
 /**
  * Represents the contents of a wg-quick configuration file, made up of one or more "Interface"
  * sections (combined together), and zero or more "Peer" sections (treated individually).