Add notifiable await paging to timeline

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/timeline/Timeline.kt

@@ -142,4 +142,10 @@ interface Timeline {
          */
         BACKWARDS
     }
+
+    /**
+     * This is the same than the regular paginate method, will will call the onTimelineUpdated
+     * Added for Circles
+     */
+    suspend fun awaitPaginateWithTimelineUpdate(direction: Direction, count: Int): List<TimelineEvent>
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/DefaultTimeline.kt

@@ -422,4 +422,16 @@ internal class DefaultTimeline(
                     }
                 }
     }
+
+    //Added for Circles
+    override suspend fun awaitPaginateWithTimelineUpdate(direction: Timeline.Direction, count: Int): List<TimelineEvent> {
+        startTimelineJob?.join()
+        withContext(timelineDispatcher) {
+            val postSnapshot = loadMore(count, direction, fetchOnServerIfNeeded = true)
+            if (postSnapshot) {
+                postSnapshot()
+            }
+        }
+        return getSnapshot()
+    }
 }