Increase Binder Proxy Limit to 6000 for SYSTEM

Workaround for issue with SysUi creating too many Binder Proxies.
Increasing the limit reduces the chance of a SysUi restart but increases the risk of a misbehaving app consuming system resources

Bug:109701487
Test: manual (generate 6000 Binder Proxies)
Change-Id: I11929cf41f9126bb095abb095c723dd892a51cb4
1 file changed