tree a6f5e9f6b160d751bc28dfc79156ff1a0f11fd36
parent c868acf442a69429056a574c67a5e0187e2b9536
author Hung-ying Tyan <tyanh@google.com> 1254301071 +0800
committer Hung-ying Tyan <tyanh@google.com> 1254381508 +0800

Fix stopping all vpn daemons before connect and more.

* move DaemonHelper out from VpnService to VpnDaemons for better
  managing native daemons.
* check connectivity and dns less frequently to save battery.