Merge "Allocate/free the SDP connection timers only during stack...

Merge "Allocate/free the SDP connection timers only during stack startup/shutdown" into nyc-dev am: 57b0a86d am: 24e4c6b6 am: 29705dc2 am: 8987a1f2 am: ef0c9656  -s ours am: 8d5d3ad7  -s ours am: 6c0eedd0  -s ours am: 96e5a005  -s ours
am: 42685e4b  -s ours

Change-Id: I4c8510d214e40f889a09e6fea75e569ad9b0bbab