fix(android): avoid name shadowing in ProxyLifecycleProvider

See #20

Author: ThibaultBee

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
     }
 }