global: lint codebase with recent changes

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

ui/src/main/java/com/wireguard/android/activity/TunnelToggleActivity.kt

@@ -41,6 +41,7 @@ class TunnelToggleActivity : AppCompatActivity() {
             finishAffinity()
         }
     }
+
     companion object {
         private const val TAG = "WireGuard/TunnelToggleActivity"
     }

ui/src/main/java/com/wireguard/android/model/ObservableTunnel.kt

@@ -73,7 +73,7 @@ class ObservableTunnel internal constructor(
     var config = config
         get() {
             if (field == null)
-                // Opportunistically fetch this if we don't have a cached one, and rely on data bindings to update it eventually
+            // Opportunistically fetch this if we don't have a cached one, and rely on data bindings to update it eventually
                 GlobalScope.launch(Dispatchers.Main.immediate) {
                     try {
                         manager.getTunnelConfig(this@ObservableTunnel)
@@ -109,7 +109,7 @@ class ObservableTunnel internal constructor(
     var statistics: Statistics? = null
         get() {
             if (field == null || field?.isStale != false)
-                // Opportunistically fetch this if we don't have a cached one, and rely on data bindings to update it eventually
+            // Opportunistically fetch this if we don't have a cached one, and rely on data bindings to update it eventually
                 GlobalScope.launch(Dispatchers.Main.immediate) {
                     try {
                         manager.getTunnelStatistics(this@ObservableTunnel)

ui/src/main/java/com/wireguard/android/preference/KernelModuleDisablerPreference.kt

@@ -26,6 +26,7 @@ import kotlin.system.exitProcess
 
 class KernelModuleDisablerPreference(context: Context, attrs: AttributeSet?) : Preference(context, attrs) {
     private var state = State.UNKNOWN
+
     init {
         isVisible = false
         lifecycleScope.launch {
@@ -48,7 +49,7 @@ class KernelModuleDisablerPreference(context: Context, attrs: AttributeSet?) : P
         }
         lifecycleScope.launch {
             val observableTunnels = Application.getTunnelManager().getTunnels()
-                val downings = observableTunnels.map { async(SupervisorJob()) { it.setStateAsync(Tunnel.State.DOWN) } }
+            val downings = observableTunnels.map { async(SupervisorJob()) { it.setStateAsync(Tunnel.State.DOWN) } }
             try {
                 downings.awaitAll()
                 withContext(Dispatchers.IO) {

ui/src/main/java/com/wireguard/android/util/AdminKnobs.kt

@@ -12,5 +12,6 @@ import com.wireguard.android.Application
 object AdminKnobs {
     private val restrictions: RestrictionsManager? = Application.get().getSystemService()
     val disableConfigExport: Boolean
-        get() = restrictions?.applicationRestrictions?.getBoolean("disable_config_export", false) ?: false
+        get() = restrictions?.applicationRestrictions?.getBoolean("disable_config_export", false)
+                ?: false
 }

ui/src/main/java/com/wireguard/android/util/BiometricAuthenticator.kt

@@ -19,6 +19,7 @@ import com.wireguard.android.R
 
 object BiometricAuthenticator {
     private const val TAG = "WireGuard/BiometricAuthenticator"
+
     // Not all devices support strong biometric auth so we're allowing both device credentials as
     // well as weak biometrics.
     private const val allowedAuthenticators = Authenticators.DEVICE_CREDENTIAL or Authenticators.BIOMETRIC_WEAK