Make ActivityLifecycleListener extend ActivityLifecycleCallacks with …

…no-op defaults

embrace-android-sdk/src/main/java/io/embrace/android/embracesdk/internal/session/lifecycle/ActivityLifecycleListener.kt

@@ -1,32 +1,25 @@
 package io.embrace.android.embracesdk.internal.session.lifecycle
 
 import android.app.Activity
+import android.app.Application.ActivityLifecycleCallbacks
 import android.os.Bundle
 
 /**
- * Listener implemented by observers of the [ActivityLifecycleTracker].
+ * Implementation of [ActivityLifecycleCallbacks] with no-op defaults
  */
-internal interface ActivityLifecycleListener {
-
-    /**
-     * Triggered when an activity is opened.
-     *
-     * @param activity details of the activity
-     */
-    fun onActivityStarted(activity: Activity) {}
-
-    /**
-     * Triggered when an activity is closed.
-     *
-     * @param activity details of the activity
-     */
-    fun onActivityStopped(activity: Activity) {}
-
-    /**
-     * Triggered when an activity is created.
-     *
-     * @param activity the activity
-     * @param bundle   the bundle
-     */
-    fun onActivityCreated(activity: Activity, bundle: Bundle?) {}
+internal interface ActivityLifecycleListener : ActivityLifecycleCallbacks {
+
+    override fun onActivityCreated(activity: Activity, bundle: Bundle?) {}
+
+    override fun onActivityStarted(activity: Activity) {}
+
+    override fun onActivityResumed(activity: Activity) {}
+
+    override fun onActivityPaused(activity: Activity) {}
+
+    override fun onActivityStopped(activity: Activity) {}
+
+    override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {}
+
+    override fun onActivityDestroyed(activity: Activity) {}
 }