tree 40a991d0ad41a3d6aaff52e17fefa445a61dca3d
parent dcb67c1773535bdd5b763ef329d6ac872925e546
author Hung-ying Tyan <tyanh@google.com> 1308732158 +0800
committer Hung-ying Tyan <tyanh@google.com> 1308800497 +0800

Move the keepalive process to SipSessionImpl and make it reusable.

Reuse the new component in the original keepalive process and the NAT port
mapping timeout measurement process.

This is the foundation for fixing the following bug.

Bug: 3464181

Change-Id: If7e951c000503fa64843942ad062c4d853e20c8d