MediaPlayer2: use long type for media time.

Test: MediaPlayer2 plays
Bug: 63934228
Change-Id: I85cca6c24c116b2f53079cd081a1f5172af3a099
diff --git a/media/libmediaplayer2/nuplayer2/NuPlayer2.cpp b/media/libmediaplayer2/nuplayer2/NuPlayer2.cpp
index 38d107d..5971a8b 100644
--- a/media/libmediaplayer2/nuplayer2/NuPlayer2.cpp
+++ b/media/libmediaplayer2/nuplayer2/NuPlayer2.cpp
@@ -2765,10 +2765,10 @@
                 break;
             }
 
-            int posMs;
+            int64_t posMs;
             int64_t timeUs, posUs;
             driver->getCurrentPosition(&posMs);
-            posUs = (int64_t) posMs * 1000ll;
+            posUs = posMs * 1000ll;
             CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
 
             if (posUs < timeUs) {