fix(android): avoid name shadowing in ProxyLifecycleProvider

See #20

android/src/main/kotlin/video/api/flutter/uploader/ProxyLifecycleProvider.kt

@@ -20,7 +20,7 @@ import androidx.lifecycle.LifecycleRegistry
 internal class ProxyLifecycleProvider(activity: Activity) :
  Application.ActivityLifecycleCallbacks, LifecycleOwner {
  @VisibleForTesting
- val lifecycle = LifecycleRegistry(this)
+ val lifecycleRegistry = LifecycleRegistry(this)
 
  private val registrarActivityHashCode: Int = activity.hashCode()
 
@@ -32,35 +32,35 @@ internal class ProxyLifecycleProvider(activity: Activity) :
  if (activity.hashCode() != registrarActivityHashCode) {
  return
  }
- lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_CREATE)
+ lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_CREATE)
  }
 
  override fun onActivityStarted(activity: Activity) {
  if (activity.hashCode() != registrarActivityHashCode) {
  return
  }
- lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_START)
+ lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_START)
  }
 
  override fun onActivityResumed(activity: Activity) {
  if (activity.hashCode() != registrarActivityHashCode) {
  return
  }
- lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_RESUME)
+ lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_RESUME)
  }
 
  override fun onActivityPaused(activity: Activity) {
  if (activity.hashCode() != registrarActivityHashCode) {
  return
  }
- lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_PAUSE)
+ lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_PAUSE)
  }
 
  override fun onActivityStopped(activity: Activity) {
  if (activity.hashCode() != registrarActivityHashCode) {
  return
  }
- lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_STOP)
+ lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_STOP)
  }
 
  override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {}
@@ -69,10 +69,10 @@ internal class ProxyLifecycleProvider(activity: Activity) :
  return
  }
  activity.application.unregisterActivityLifecycleCallbacks(this)
- lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_DESTROY)
+ lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_DESTROY)
  }
 
  override fun getLifecycle(): Lifecycle {
- return lifecycle
+ return lifecycleRegistry
  }
 }