Generate bugreport for IMS reaping issue

Added code to trigger bugreport when IMS reaping for 5 times.
This will help bugreport captured when issue happens. Most
of the bugreports we've seen today were captured way later
than issues happened.

Bug: 151487565
Test: Manual
Change-Id: Ie950518799f83f59191cc236d6701c05b1411d00