New API on java's MediaPlayer to suspend/resume a session.

related-to-bug: 2231576
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index 55b06f4..b4fc035 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -970,6 +970,20 @@
     return OK;
 }
 
+status_t MediaPlayerService::Client::suspend() {
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+
+    return p->suspend();
+}
+
+status_t MediaPlayerService::Client::resume() {
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+
+    return p->resume();
+}
+
 status_t MediaPlayerService::Client::prepareAsync()
 {
     LOGV("[%d] prepareAsync", mConnId);