Update comment in mediaplayer.h.
Update comment in mediaplayer.h.

When sending a MEDIA_INFO message, the second integer is supposed
to be an "info" code instead of an "error" code.

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base