Fix issue #5595933: GREF leak due to race condition in...

...LoadedApk.ServiceDispatcher.connected , LoadedApk.forgetServiceDispatcher

Don't be stupid if we receive a new binding to a ServiceConnection after it
has already been unbound.

Change-Id: I85a49de97372bf9af55542a89031f0b7a2ac8fbb
1 file changed