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

related-to-bug: 2231576
diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp
index 01cd8ce..2157814 100644
--- a/media/libmedia/mediaplayer.cpp
+++ b/media/libmedia/mediaplayer.cpp
@@ -167,6 +167,16 @@
     return INVALID_OPERATION;
 }
 
+status_t MediaPlayer::suspend() {
+    Mutex::Autolock _l(mLock);
+    return mPlayer->suspend();
+}
+
+status_t MediaPlayer::resume() {
+    Mutex::Autolock _l(mLock);
+    return mPlayer->resume();
+}
+
 status_t MediaPlayer::setMetadataFilter(const Parcel& filter)
 {
     LOGD("setMetadataFilter");