MediaPlayer: add notifyAt at native side

Test: media time is correct when playback rate is not 1.0
Bug: 65204641
Change-Id: Ie9f67e3cb37267cfd364c9a9b9f674232b68ef27
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index 274f613..75bdccc 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -473,6 +473,13 @@
     (new AMessage(kWhatReset, this))->post();
 }
 
+status_t NuPlayer::notifyAt(int64_t mediaTimeUs) {
+    sp<AMessage> notify = new AMessage(kWhatNotifyTime, this);
+    notify->setInt64("timerUs", mediaTimeUs);
+    mMediaClock->addTimer(notify, mediaTimeUs);
+    return OK;
+}
+
 void NuPlayer::seekToAsync(int64_t seekTimeUs, MediaPlayerSeekMode mode, bool needNotify) {
     sp<AMessage> msg = new AMessage(kWhatSeek, this);
     msg->setInt64("seekTimeUs", seekTimeUs);
@@ -1315,6 +1322,16 @@
             break;
         }
 
+        case kWhatNotifyTime:
+        {
+            ALOGV("kWhatNotifyTime");
+            int64_t timerUs;
+            CHECK(msg->findInt64("timerUs", &timerUs));
+
+            notifyListener(MEDIA_NOTIFY_TIME, timerUs, 0);
+            break;
+        }
+
         case kWhatSeek:
         {
             int64_t seekTimeUs;