Reformat root access–related classes

lawnchair/src/app/lawnchair/root/RootHelper.kt

@@ -5,7 +5,6 @@ import android.os.IBinder
 import com.topjohnwu.superuser.ipc.RootService
 
 class RootHelper : RootService() {
-
     override fun onBind(intent: Intent): IBinder {
         return RootHelperBackend(this)
     }

lawnchair/src/app/lawnchair/root/RootHelperBackend.java

@@ -2,13 +2,11 @@ package app.lawnchair.root;
 
 import android.content.Context;
 import android.os.PowerManager;
-import android.os.RemoteException;
 import android.os.SystemClock;
 
 import androidx.core.content.ContextCompat;
 
 public class RootHelperBackend extends IRootHelper.Stub {
-
     private final Context mContext;
 
     public RootHelperBackend(Context context) {

lawnchair/src/app/lawnchair/root/RootHelperManager.kt

@@ -14,7 +14,6 @@ import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 
 class RootHelperManager(private val context: Context) {
-
     private val prefs = PreferenceManager.getInstance(context)
     private var rootHelper: IRootHelper? = null
     private val connectionListeners = CopyOnWriteArraySet<Runnable>()
@@ -33,11 +32,9 @@ class RootHelperManager(private val context: Context) {
     @Throws(RootNotAvailableException::class)
     suspend fun getService(): IRootHelper {
         prefs.autoLaunchRoot.set(isAvailable)
-        if (!isAvailable) throw RootNotAvailableException()
 
-        if (rootHelper != null) {
-            return rootHelper!!
-        }
+        if (!isAvailable) throw RootNotAvailableException()
+        if (rootHelper != null) return rootHelper!!
 
         val intent = Intent(context, RootHelper::class.java)
         RootService.bind(intent, connection)