Music: fix monkey test failure

If media provider process doesn't behave correctly when setDataSource,
the underlying state in MediaPlayer will not be transitioned properly,
and the call will silently fail, causing subsequent prepare() throwing
an IllegalStateException. Catch the exception to avoid monkey failure.

Change-Id: I721d30366e2817ad00e3b8510307e1cb04fd136a
CRs-Fixed: 964427
1 file changed